Additional non-working flag view handlers.
Working views flagged field.
Working flag views sort handler.
Working flag views filter.
PSR-4 for flag_bookmark.
Added default flag_bookmark view.
Removed flag_bookmark.views_default.inc
Moved and renamed default yml files.
Plugin manager changes due to https://drupal.org/node/2281905
Moved and fixed flag schema due to https://drupal.org/node/2016679.
Merge pull request #2 from socketwench/master

Sync with socketwench:master