Better way to hide and show add/rm favs.
Better way to hide and show add/rm favs.

--HG--
extra : rebase_source : d1a92b10980d85efbd8e0ff1f90b903f1794d3eb

euank/moebooru-thin,moebooru/moebooru,moebooru/moebooru,euank/moebooru-thin,euank/moebooru-thin,euank/moebooru-thin,nanaya/moebooru,moebooru/moebooru,moebooru/moebooru,nanaya/moebooru,nanaya/moebooru,moebooru/moebooru,nanaya/moebooru,euank/moebooru-thin,nanaya/moebooru