Use @rpath for framework install paths.
Fix analyzer warning
Avoid using @property and synthesize for a dispatch queue.

It's causing issues when including this header in ARC code.
Also will confuse things depending on whether the compiler
knows how to ARCify dispatch queues (which changed at
some point). Easier to avoid the whole issue.
Merge branch 'MMC-utillities'
Merge branch 'master' into MMC-utillities