Use get_default_post_to_edit() when $post_translation is empty
Add a few default values for $term_translation.
Simply translation editor template.
Merge branch 'develop' into fix/notices-translation-job

* develop:
  Add a check in Babble_Jobs::user_has_cap to prevent infinite loop.
  Set cookie properties in it's own hook. Fixes #168
  Stop using WP_PLUGIN_DIR.
Merge branch 'fix/notices-translation-job' of https://github.com/cftp/babble into develop
Fix Menu, Escaping and Other issues