fix bug 1225159 - add is_localizable to admin site
fix bug 1225159 - add is_localizable to admin site

When a site admin sees a page that can't be translated,
they need to update the is_localizable field on the page,
so translators can translate it.

anaran/kuma,darkwing/kuma,mozilla/kuma,SphinxKnight/kuma,a2sheppy/kuma,openjck/kuma,yfdyh000/kuma,yfdyh000/kuma,SphinxKnight/kuma,Elchi3/kuma,openjck/kuma,jwhitlock/kuma,safwanrahman/kuma,mozilla/kuma,a2sheppy/kuma,Elchi3/kuma,anaran/kuma,mozilla/kuma,jgmize/kuma,jwhitlock/kuma,openjck/kuma,darkwing/kuma,ollie314/kuma,darkwing/kuma,jgmize/kuma,SphinxKnight/kuma,darkwing/kuma,jwhitlock/kuma,jezdez/kuma,safwanrahman/kuma,yfdyh000/kuma,jgmize/kuma,anaran/kuma,yfdyh000/kuma,a2sheppy/kuma,jgmize/kuma,mozilla/kuma,openjck/kuma,openjck/kuma,ollie314/kuma,Elchi3/kuma,safwanrahman/kuma,jgmize/kuma,yfdyh000/kuma,escattone/kuma,ollie314/kuma,SphinxKnight/kuma,safwanrahman/kuma,ollie314/kuma,jgmize/kuma,jwhitlock/kuma,escattone/kuma,Elchi3/kuma,darkwing/kuma,jezdez/kuma,anaran/kuma,safwanrahman/kuma,safwanrahman/kuma,jezdez/kuma,Elchi3/kuma,jezdez/kuma,a2sheppy/kuma,jwhitlock/kuma,ollie314/kuma,jezdez/kuma,SphinxKnight/kuma,anaran/kuma,openjck/kuma,anaran/kuma,jezdez/kuma,mozilla/kuma,ollie314/kuma,SphinxKnight/kuma,yfdyh000/kuma,darkwing/kuma,a2sheppy/kuma,escattone/kuma