Add 'fail' javascript snippet
Use $HOME instead of ~ in environment file

Vim run from KRunner inherits the PATH from ~/.kde/env, and it seems is getting
confused, since it doesn't expand it. $HOME seems to do the trick.
main() snippet for C
Configure error checkers for javascript and less
Don't set the active_filetypes in Syntastic

Turns out even if you tell Syntastic to be passive manually, that setting forces
it to be active no matter what, which is quite terrible, since I couldn't find a
way to forcefully disable it. :-/
Add BitBucket support in fugitive's :Gbrowse