[gnome-subtitles] (40 commits) ...Use symbolic icons

[Pedro Castro <pcastro src gnome org>]

Summary of changes:

  99aa691... Upgrading to gtk3 (*)
  34c2daf... Removing deprecated features (*)
  9868b4e... Cleanup (*)
  64e1305... Fixing selected menu items (*)
  5144811... Updated FileOpen and VideoOpen dialogs (*)
  58789ee... Updating Encodings, FileOpen and VideoOpen dialogs (*)
  6a13af7... Headers Dialog bugfixing and updating to gtk3 (*)
  da0fd1b... Minor improvements (*)
  994be30... Minor changes to console logging (*)
  d8ffd2e... Save dialog refactoring and migration to gtk3 (*)
  029ae1f... Improving logging throughout the app (*)
  397986c... FileProperties and BaseDialog refactor (*)
  ab13373... Review (*)
  9119756... About Dialog refactor (*)
  11dbaed... Set Languages Dialog refactor. (*)
  e2e3df0... Using styles in WidgetStyles (*)
  c31e806... Search dialog upgrade to gtk3 (*)
  777e640... Review (*)
  eb4016d... Dialog bugfixing (*)
  ac68949... Updating solution/project files (*)
  9af51d7... Bugfixing (*)
  973d81d... Disabling GoogleTranslate functionality (*)
  2871189... Review (*)
  233b93b... Fixing bug with UI elements in video area (*)
  39279fa... Migrating Video Seek To dialog (*)
  c72a4d8... Timings Shift dialog refactor (*)
  9f700a9... Cleanup (*)
  ab426f6... Shift dialog improvements (*)
  c76dc7d... Timings Adjust dialog improvements (*)
  65dc304... Synchronize Timings dialog refactor (*)
  ec6a8ea... Updating Git Ignore (*)
  488c350... Use the exact video frame rate in the timings menu (*)
  171036d... Fixed exception when overwriting a file (*)
  639f803... Minor improvements (*)
  0652b13... File Save: add extension by default (*)
  db43593... Cleanup (*)
  e53ef5d... Help menu review (*)
  d42904a... Refactor to reuse Frame creation across dialogs (*)
  42078f5... Preferences Dialog refactor (*)
  c106775... Use symbolic icons (*)

(*) This commit already existed in another branch; no separate mail sent