early outs for privs

no need to check if empty array is passed in, happens if there are no
unread topics
remove dupe cids before checking for privileges
fixed typo
fixed to account header
fix online users page

insert users before the anon box if there is one
closes #1932
add tid to post notification so its marked read on entry
closes #1926
0.5.0-1
actually set url #1926
removed console.log
cleanup / lint
unnecessary property check
linting emitter.js
latest translations
latest translations... again
err checks
Merge branch 'master' of https://github.com/NodeBB/NodeBB
fix upgrade.js according to CodeClimate recommendation, remove BOM