Added Lightroom 5 support

The Lightroom 5 code was intially written for
github.com/iMediaSandboxing and adapted to fit the iMedia 2.6
architecture
Query generation methods are now instance methods

They check self.mediaType when creating the query SQL
Added Lightroom 5 video parser
Expose iMedia/IMBLightroomObject.h
NSURLBookmarkResolutionWithSecurityScope

does not exist on 10.6
mkstemp creates a file. We want a directory
NSURLBookmarkResolutionWithSecurityScope
Syntax not supported by Xcode 4.2
Keep compiler happy
Check for nil folder path