Merge pull request #51 from ktekinay/master

• Changed constant name in MacSystemProfiler to kSystemProfilerShellPath for clarity.
• Copied GetFolderItemFromPOSIXPath from Cocoa to FileManager and made it Global.
• Deprecated Cocoa.GetFolderItemFromPOSIXPath.
• Changed FileManager code to utilitize FolderItem.NativePath functions in Xojo.
• Changed FileManager.NativePath from Global "extends" function to Protected with parameter.
• Changed local variable declarations in two methods from "str" to "s" to avoid confusion with the native function Str.
• Added pragmas for unused variables in various methods.
Merge pull request #29 from macoslib/master

Merge changes
Merge branch 'macoslib-master'