don't print process info when help is displayed
Merge pull request #217 from Tieske/master

don't print process info when help is displayed
Performance improvements
Merge branch 'master' of github.com:keplerproject/luarocks
Add missing commit of luarocks-admin command changes
Merge remote-tracking branch 'origin' into luarocks-doc

Conflicts:
	src/bin/luarocks