[epiphany] (9 commits) Non-fast-forward update to branch mcatanzaro/cflags

[Jan-Michael Brummer <jbrummer src gnome org>]

The branch 'mcatanzaro/cflags' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  3f1bffc... Build with -Wextra and -Werror=format-security
  35a8462... notebook: don't return -1 in a guint

Commits added to the branch:

  54cd10b... Fix languages button sensitive at first sight (*)
  264264f... Add visual feedback for importing firefox bookmarks (*)
  133e677... Add no such file error page (*)
  2d6027d... Fix segfaulting eel_strdup_strftime () (*)
  127b007... Handle moved or deleted download files (*)
  53b6659... Ensure that tests are compiled with -UG_DISABLE_ASSERT (*)
  1ddd4de... Add search match counter (*)
  b026c5a... Build with -Wextra and -Werror=format-security
  20b8952... notebook: don't return -1 in a guint

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