NodeBB will now listen to SIGINT signal
communication between loader and child
removing timeout before restarting nodebb, fixing nodebb executable
loader now handles arguments and ./nodebb watch command updated to not use loader.
added restart button to ACP (!!)
added toPid to posts
upgraded categories to sorted set, score is the order set from acp, check if category topic exists before posting
closes #1106
Actualización lenguaje español

The translation was very faulty with a lack of accents and some words untranslated
Finally reviewed spanish transalation

I revised the spanish translation to something more serious and complete. There was a lot of wrong spelled words and some untranslated/bad translated words
More translation
closes #1108
Merge branch 'master' of https://github.com/designcreateplay/NodeBB
upgrade fix for new installs
added check to upgrade.upgrade
less is more
cleaned more
more cleanup
one liner
follow state clean up