remove .rvmrc
fix flakey test depending on json ordering
fix most railties tests; make Rails.metals order deterministic
Backportet fix: Escape the unit value provided to number_to_currencyo

Fixes CVE-2013-6415
Backport: Deep Munge the parameters for GET and POST

Fixes CVE-2013-6417
Adds static gems for Rails LTS
Adapt dates in licenses