SB2: set action tooltip if not empty.
Merge branch 'master' of github.com:0xd34df00d/leechcraft
Monocle: set icons on ctx menu actions.
Monocle: properly parent the context menu.
Monocle: fixed ISearchableDocument declaration.
Monocle: we don't support text annotations anyway for now.
Monocle: moved state recovering into recoverDocState().
Monocle: slight code change for TOC recovering.
Util: cleaned up CMakeLists.txt; added PageNotification.
Util: moved Poshuku's FindDialog here.
Monocle: add poppler/cpp to include dirs list.
Monocle PDF: enable searching only on Poppler 0.22+.