Added license
Merge branch 'feature-setup'
Removed code to handle links
Removed rewrite_path option
Removed option to set image source for now

Revert this commit once support for more sources than Shotwell are added.
Reformatted help text
Merge branch 'fixup-options'
Store an lstat result for the database directory in PhotoFS
Pass an PhotoFS instance to the PhotoFS.ImageResolver constructor
Return the PhotoFS dirstat field in PhotoFS.ImageResolver.getattr for directories
Return the PhotoFS dirstat field in PhotoFS.getattr for directories
Merge branch 'fixup-dirstat'
Added script to sync database files
Added methods to control database sync script
Stop syncing when file system is destroyed
Added option to force database to temporary file
Added option to sync database file to other file
Merge branch 'feature-sync'