initial config to run tests on travis
colorful rspec output
make sure factory_girl is loaded for specs

Some specs behave depending on the version of FactoryGirl. On Travis,
specs see < 2.0, but the implementation sees 2.0 (presence of
::FactoryGirl)
drop old ruby 1.9.3, use last minor release

it appears to behave slightly different to latest 2.1 (FactoryGirl
constant)
reflect gemspec changes in f79386fcf4dbd7e in dev Gemfile.lock
use recent fabrication 2.0 for dev&specs
setup bundler for spec
add fancy travis-ci build status icon to README
Merge pull request #53 from niklas/run-tests-on-travis

Run tests on travis