Revert "Commented bookmarks code for 0.4.0 release"

This reverts commit 8306d4c24421993fc04837499e7682dad4948878.
Switch back to storage for muc bookmarks
Hooks test commit
Moved ui_current_page_off to ui_incoming_msg
Do not scroll to end in message window when paging
Do not scroll to end when chat room message whilst paging
Renamed refresh functions to update_virtual
Added cmd_win test
Added test for valid window switch
Added missing files, refactored ui_switch_win to check win exists
Merge branch 'master' into gmail