[OS/2] Fixed build of StatusBarIcons
[AdBlockDialog] Show error if subscription can't be loaded
[Translations] Added new es_MX from Transifex
[FreeBSD] Link to execinfo
[Sslv3Sites] easylist-downloads.adblockplus.org shouldn't be there
[ComboTabBar] Fix tabAt function for RTL languages
[ReloadStopButton] Instead of pausing updates, only update the button after delay
[Cleanup] QTimer::start() restarts timer if it is already running
[Models] Decrease the delay for filtering to 300ms
[SaveSettings] Don't save settings twice on app close
[BookmarksImport] Show full structure of imported bookmarks

BookmarksModel can now be used with arbitrary root item independently
of main bookmarks root item.
[BookmarksImport] Create new base BookmarksImporter class

Also moved all importers into bookmarks/import folder
[BookmarksImport] Added back button to import dialog + other small changes

Also moved all bookmarks import classes to bookmarks/bookmarksimport
Rework list of closed tabs
Merge pull request #1217 from pejakm/tabwdgt

[Tabwidget] Rework list of closed tabs
[ChromeImporter] Support importing full bookmarks structure
[OperaImporter] Support importing full bookmarks structure
[BookmarksImportDialog] Draw separators in imported bookmarks treeview
[SpeedDial] Fix overlay text input visibility with dark themes
Merge branch 'master' of https://github.com/QupZilla/qupzilla into tass