Merge pull request #67 from jchristopher/master

Notice cleanup
Cleanup of notice handling merge
CFS 1.7.8
Validation fix for new posts (#71)
Updated timepicker, uproot.us links
Allow for empty select options (#73)
Moved third party code to its own class
Renamed lang to languages
Moved field group saving to API class (#66)
Updated readme
Moved admin_head and admin_footer templates
Added `get_field_info` API method (#75)
Hide "From URL" tab, pass $options to get_fields (#76)
Added 'cfs_init' hook (#77)
Changed WP.org username
Removed uninstall hook
Added pagination to CFS listing page
Bugfix for relationships within nested loops
Add-ons page
Add manual CFS reset option