[gtkhtml] (38 commits) Created branch gtk3

[Matthew Barnes <mbarnes src gnome org>]

The branch 'gtk3' was created.

Summary of new commits:

  6113a08... Not gonna deal with deprecated API in GTK3 just yet.
  aabac45... Adapt to new GtkScrollable interface.
  030ef5a... Bug #634578 - Highlighting text in preview renders it invis (*)
  78f7bbe... Added UG translation (*)
  be95ffa... Use GSourceFunc instead of GtkFunction (*)
  affff5f... Added UG translation (*)
  0de77cb... Bug 635576 - gtkhtml-editor-test link failure (*)
  4175dff... Updated Thai translation. (*)
  dcf0dce... News update for 3.91.3 (*)
  c890e1a... post release version bump (*)
  fdb840a... Bug #612344 - Crash in html_object_prev_not_type at htmlobj (*)
  d5f996e... Bug #635571 - Adapt size_request to gtk-3.0 change
  36b0e82... Fix linking of gtkhtml-editor-test
  66bf545... Merge branch 'master' into gtk3
  0b13562... Drop support for gtk+-2.0.
  88be3a8... Fix drawing with gtk3
  6cedc06... [l10n] Updated Estonian translation (*)
  3ebe5fd... Bump gtkhtml API version to accomodate api break (*)
  6cab464... Replace erroneous gtkhtml version with editor API version (*)
  6be98cf... Update gkthml API version in make file (*)
  06dd29e... News update for 3.91.4 release (*)
  1c25f7e... post release version bump (*)
  63c5ce0... Fix a build break of the editor (*)
  2359eb4... Fix version mismatch in gtkhtml-editor.pc.in (*)
  e372f12... One more place with EDITOR_API_VERSION instead of GTKHTML_A (*)
  f5f8030... News update for 3.91.4.1 release (*)
  0cdf1d1... post release version bump (*)
  4258b1a... Adapt to recent GTK+ changes
  ea46dfd... Added UG translation (*)
  95bb455... Temporarily remove GDK_DISABLE_DEPRECATED.
  f592cef... Updated Norwegian bokmål translation from Torstein Adolf W (*)
  42c837b... Bug #402693 - Sending centered or right-aligned text double (*)
  45acf6d... Updated Traditional Chinese translation(Hong Kong and Taiwa (*)
  9195e9f... GtkhtmlComboBox: Fix runtime warnings with GTK3.
  e0929e7... GtkhtmlComboBox: Fix runtime warnings with GTK3. (*)
  efce90e... NEWS update for 3.91.5 release. (*)
  5f41deb... Post-release version bump. (*)
  028fcac... Synchronize with GtkHTML 3.91.5.

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