bumping activeresource version to ~>3.2
bumping activeresource to 4.0.0.rc2
removing 1.9.2 from travis since Rails 4 inst compatible anymore
branching a rails4 gem
Change gemspec file to make possible run the tests on travis ci.
release rails 4 pre version
Merge remote-tracking branch 'origin/rails-4'
update gem to work with rails 4