Removed bogus commented out line
Fixed a memory leak in FSEvents file system watcher
Fixed ignored paths matching on OS X.

We now listen to changes to files and when an event is received we first match
the file name to the "ignored paths list" and only if the the file that was
changed didn't match figure out which directory needs to be synced.
Fixed a memory leak in FSEvents folderwatcher backend
Renamed a member variable to have underscore prefix for consistency