Ignore RVM artifacts
Remove Gemfile.lock from version control
Ignore Gemfile.lock
Further contrain rails gem requirement

Ensure that the bundled version of rails is >= 3.2 and < 4.0
Run Travis-CI script command in a subshell

Rather than changing directories twice, into the dummy-app and back to
the project root, run the script command in a subshell so the current
working directory is preserved
Build using ruby-2.0 on Travis-CI
Merge branch 'ignore-rvm-artifacts'

Conflicts:
	.gitignore
Merge branch 'run-travis-script-command-in-subshell'
Merge branch 'further-constrain-rails-gem-requirement'
Merge branch 'build-ruby-2.0-on-travis'

Conflicts:
	.travis.yml