update rails + cdn script
Merge branch 'master' of https://github.com/relmos/cbench

Conflicts:
	cperf/app/views/checks/index.html.erb
Merge branch 'master' of https://github.com/relmos/cbench
Merge branch 'master' of https://github.com/relmos/cbench
Merge branch 'master' of https://github.com/relmos/cbench