adding MacOS samples in Packages

Package/Environment/MacOS/RetroFE.app/Contents/Info.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple Computer//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+    <key>CFBundleDevelopmentRegion</key>
+    <string>English</string>
+    <key>CFBundleExecutable</key>
+    <string>retrofe</string>
+    <key>CFBundleGetInfoString</key>
+    <string>0.7.20, RetroFE</string>
+    <key>CFBundleIconFile</key>
+    <string>Misev.icns</string>
+    <key>CFBundleIdentifier</key>
+    <string>com.retrofe.RetroFE</string>
+    <key>CFBundleDocumentTypes</key>
+    <array>
+    </array>
+    <key>CFBundleInfoDictionaryVersion</key>
+    <string>6.0</string>
+    <key>CFBundlePackageType</key>
+    <string>APPL</string>
+    <key>CFBundleShortVersionString</key>
+    <string>0.7.20</string>
+    <key>CFBundleSignature</key>
+    <string>retrofe</string>
+    <key>CFBundleVersion</key>
+    <string>0.7.20</string>
+    <key>NSHumanReadableCopyright</key>
+    <string>Copyright 2016 by RetroFE Team.</string>
+    <key>LSMinimumSystemVersion</key>
+    <string>10.3</string>
+</dict>
+</plist>

Package/Environment/MacOS/collections/Arcade/settings.conf

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+###############################################################################
+# The location of where your ROM items exist. Examples:
+# list.path = D:/ROMs/MAME                (absolute path)
+# list.path = ../ROMs/MAME                (relative path to root of FE dir)
+#
+# If BASE_ITEM_PATH=D:/ROMs and the name of this collection is named "Arcade"
+# then the configuration below will search in D:/ROMs/Arcade
+###############################################################################
+#list.path = %BASE_ITEM_PATH%/%ITEM_COLLECTION_NAME%/roms
+
+###############################################################################
+# If a game is specified in include.txt then it will be included in the list
+# regardless of if the rom actually exists or not. Set this variable to false
+# to exclude any items that cannot be found. 
+###############################################################################
+list.includeMissingItems = true
+
+###############################################################################
+# Extensions are comma separated without spaces
+###############################################################################
+list.extensions = zip
+
+###############################################################################
+# If a menu.xml file exists, it will display the menu alphabetically. To
+# not auto-sort the menu items alphabetically, set the following to false. 
+# This does not apply to how your ROMs are sorted.
+###############################################################################
+list.menuSort = true
+
+###############################################################################
+# The executable to run when an item in a collection item is selected
+###############################################################################
+launcher = mame
+
+###############################################################################
+# On default, MAME roms are not clearly named. We need to use the MAME 
+# metadata for them.
+###############################################################################
+metadata.type = MAME
+
+###############################################################################
+# Default media paths to scan for artwork. Uncomment and edit to override
+# the default values.
+#
+# media.screenshot    = %BASE_MEDIA_PATH%/%ITEM_COLLECTION_NAME%/medium_artwork/screenshot
+# media.screentitle   = %BASE_MEDIA_PATH%/%ITEM_COLLECTION_NAME%/medium_artwork/screentitle
+# media.artwork_back  = %BASE_MEDIA_PATH%/%ITEM_COLLECTION_NAME%/medium_artwork/artwork_back
+# media.artwork_front = %BASE_MEDIA_PATH%/%ITEM_COLLECTION_NAME%/medium_artwork/artwork_front
+# media.logo          = %BASE_MEDIA_PATH%/%ITEM_COLLECTION_NAME%/medium_artwork/logo 
+# media.medium_back   = %BASE_MEDIA_PATH%/%ITEM_COLLECTION_NAME%/medium_artwork/medium_back
+# media.medium_front  = %BASE_MEDIA_PATH%/%ITEM_COLLECTION_NAME%/medium_artwork/medium_front
+# media.screenshot    = %BASE_MEDIA_PATH%/%ITEM_COLLECTION_NAME%/medium_artwork/screenshot
+# media.screentitle   = %BASE_MEDIA_PATH%/%ITEM_COLLECTION_NAME%/medium_artwork/screentitle
+# media.video         = %BASE_MEDIA_PATH%/%ITEM_COLLECTION_NAME%/medium_artwork/video
+###############################################################################

Package/Environment/MacOS/collections/CREATING_COLLECTIONS.txt

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+To create a new collection run the following commands at a commmand prompt.
+(assuming you are in the root of your RetroFE directory)
+
+For Windows:
+    Core/RetroFE.exe -createcollection "Nintendo Entertainment System"
+
+For Linux or Mac:
+    ./RetroFE -createcollection "Nintendo Entertainment System"
+
+
+Replace "Nintendo Entertainment System" with the collection name of your choosing.
+
+This will create a "Nintendo Entertainment System Folder", create the rom folder, 
+artwork folders and default configuration files.

Package/Environment/MacOS/collections/Sega Genesis/settings.conf

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+###############################################################################
+# The location of where your ROM items exist. Examples:
+# list.path = D:/ROMs/MAME                (absolute path)
+# list.path = ../ROMs/MAME                (relative path to root of FE dir)
+#
+# If BASE_ITEM_PATH=D:/ROMs and the name of this collection is named "Nintendo
+# Entertainment System" then the configuration below will search in 
+# "D:/ROMs/Nintendo Entertainment System"
+###############################################################################
+# list.path = %BASE_ITEM_PATH%/%ITEM_COLLECTION_NAME%/roms
+
+###############################################################################
+# If a game is specified in include.txt then it will be included in the list
+# regardless of if the rom actually exists or not. Set this variable to false
+# to exclude any items that cannot be found. 
+###############################################################################
+list.includeMissingItems = true
+
+###############################################################################
+# Extensions are comma separated without spaces
+###############################################################################
+list.extensions = zip
+
+###############################################################################
+# If a menu.xml file exists, it will display the menu alphabetically. To
+# not auto-sort the menu items alphabetically, set the following to false. 
+# This does not apply to how your ROMs are sorted.
+###############################################################################
+list.menuSort = true
+
+###############################################################################
+# The executable to run when an item in a collection item is selected
+###############################################################################
+launcher = Genesis
+
+###############################################################################
+# Default media paths to scan for artwork. Uncomment and edit to override
+# the default values.
+#
+# media.screenshot    = %BASE_MEDIA_PATH%/%ITEM_COLLECTION_NAME%/medium_artwork/screenshot
+# media.screentitle   = %BASE_MEDIA_PATH%/%ITEM_COLLECTION_NAME%/medium_artwork/screentitle
+# media.artwork_back  = %BASE_MEDIA_PATH%/%ITEM_COLLECTION_NAME%/medium_artwork/artwork_back
+# media.artwork_front = %BASE_MEDIA_PATH%/%ITEM_COLLECTION_NAME%/medium_artwork/artwork_front
+# media.logo          = %BASE_MEDIA_PATH%/%ITEM_COLLECTION_NAME%/medium_artwork/logo 
+# media.medium_back   = %BASE_MEDIA_PATH%/%ITEM_COLLECTION_NAME%/medium_artwork/medium_back
+# media.medium_front  = %BASE_MEDIA_PATH%/%ITEM_COLLECTION_NAME%/medium_artwork/medium_front
+# media.screenshot    = %BASE_MEDIA_PATH%/%ITEM_COLLECTION_NAME%/medium_artwork/screenshot
+# media.screentitle   = %BASE_MEDIA_PATH%/%ITEM_COLLECTION_NAME%/medium_artwork/screentitle
+# media.video         = %BASE_MEDIA_PATH%/%ITEM_COLLECTION_NAME%/medium_artwork/video
+###############################################################################

Package/Environment/MacOS/launchers/Genesis.conf

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+executable = open
+arguments = -FWg -a /Applications/RetroArch.app --args -f "%ITEM_FILEPATH%" -L /Applications/RetroArch.app/Contents/Resources/cores/genesis_plus_gx_libretro.dylib 
+

Package/Environment/MacOS/launchers/MAME.conf

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+executable = open
+arguments = -FWg -a /Applications/RetroArch.app --args -f "%ITEM_FILEPATH%" -L /Applications/RetroArch.app/Contents/Resources/cores/mame2014_libretro.dylib 

Package/Environment/MacOS/launchers/Main.conf

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+executable = %ITEM_FILEPATH%
+arguments =