[epiphany] (29 commits) Non-fast-forward update to branch wip/sync

[Gabriel - Cristian Ivascu <gabrielivascu src gnome org>]

The branch 'wip/sync' 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:

  209d63b... sync-service: Make _release_next_storage_message() static
  385840a... sync-service: #define the certificate duration
  2385757... sync-service: Increase the certificate duration to 60 minut
  06055bf... sync-service: #define the assertion duration
  7558ed9... sync-service: Use g_return_if_fail() instead of plain retur
  cf7d75d... prefs-dialog: Fix critical caused by nonexistent source id

Commits added to the branch:

  c854799... Update Friulian translation (*)
  e67c9d0... Updated Ukrainian translation (*)
  1d7ba9c... implement search engine manager (*)
  e57ce8d... Implement search engine dialog (*)
  cdf7fc5... Replace smart bookmarks feature with search engine manager (*)
  2c9c7e7... bookmarks-manager: Fix use-after-free in _remove_bookmark() (*)
  f6325a2... embed-utils: Fix leak is is_bang_search() (*)
  f30bf73... Miscellaneous code style adjustments (*)
  8b96bd2... search-engine-manager: Another code style tweak (*)
  022c540... Update Friulian translation (*)
  b7d9d2e... Update Brazilian Portuguese translation (*)
  ca30fea... Updated Ukrainian translation (*)
  44794bc... prefs-dialog: Remove now-unused functions (*)
  a8a60d6... Updated Lithuanian translation (*)
  36b1981... Updated German translation (*)
  5a90f38... Bump WebKit version to 2.15.90 and use new API to handle co (*)
  963496b... clear-data-dialog: Convert filter iterators to treestore it (*)
  a658ec7... clear-data-dialog: Do not remove data of sites filtered out (*)
  6dc4e61... Update Polish translation (*)
  ec9e090... Updated Galician translations (*)
  6c4c02b... Update Spanish translation (*)
  f42e9fb... Update Kazakh translation (*)
  634cd3e... sync-service: Make _release_next_storage_message() static
  2f84b5f... sync-service: #define the certificate duration
  d0bd33d... sync-service: Increase the certificate duration to 60 minut
  93ab344... sync-service: #define the assertion duration
  632684a... sync-service: Use g_return_if_fail() instead of plain retur
  bd2f09e... prefs-dialog: Fix critical caused by nonexistent source id
  9e7d8a1... prefs-dialog: Rename fxa_id to fxa_source_id

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