* json_encode update. (facebook/base_facebook.php, mass_attach/plugin.php)

Signed-off-by: Nao <nao@wedge>
! Calendar plugin was missing its menu icon. Not very sexy, but it will do for now. (calendar/CalendarMenu.php)

Signed-off-by: Nao <nao@wedge>
Merge branch 'master' of https://github.com/Wedge/plugins