IMServicePlugIn Changes for Swift

Modified IMGroupListPermissions [enum]

	Raw Value Type
From	--
To	UInt

Modified IMHandleAuthorizationStatus [enum]

	Raw Value Type
From	--
To	Int

Modified IMHandleAvailability [enum]

	Raw Value Type
From	--
To	Int

Modified IMServiceApplication.plugInDidUpdateProperties(_: [NSObject : AnyObject]!, ofHandle: String!)

	Introduction
From	OS X 10.10
To	OS X 10.0

Modified IMServicePlugIn.updateAccountSettings(_: [NSObject : AnyObject]!)

	Introduction
From	OS X 10.10
To	OS X 10.0

Modified IMServicePlugInPresenceSupport.updateSessionProperties(_: [NSObject : AnyObject]!)

	Introduction
From	OS X 10.10
To	OS X 10.0

Modified IMSessionAvailability [enum]

	Raw Value Type
From	--
To	Int