more travis-ci magic - need rubygems 2.1 on 1.8
make sure we appraise latest of the 2.3/3.x family
"re-generate" Rails 4.0 application stup for specs (based on 4.0.2 stable)
update integration spec to match rails 4.0
do not run rails 4.0 specs in jruby 1.8 mode
add (pre-compiled) assets for rails 4.0 stub
TODO asset_path does not return compiled (digested) path