admin cleanup

removed unnecessary admin checks in src/admin/user then realized they
are just one liners so moved them to src/socket.io.admin.js moved
categories update to categories folder
language keys for accountedit.tpl
language keys for password changing -- issue #1278
flag post translations
latest translations and fallbacks
updating minvers, removing cerulean from bundled themes
Merge branch 'master' into v0.4.x