fixing mailer spec
upgraded to ruby 2.1.0
updated selenium driver to run specs properly
adjested travis to run using ruby 2.1
updated some other gems
Merge pull request #511 from diogob/update_ruby_and_gems

Update ruby and gems
added before_script to install bundler 1.5.1 in travis trying to solve minitest install bug
added before_install (not before_script) to install bundler 1.5.1 in travis trying to solve minitest install bug
removing jasmine tests from CI because of bug with ruby 2.1
convert backers admin to bootstrap
Merge pull request #512 from adrianob/bootstrap_backer_admin

convert backers admin to bootstrap
remove old admin view
Moved BackerDecorator#display_value spec to backer_decorator_spec and created a display_confirmed_at spec. Added a locale setting the the before hook of this test to avoid problems with locale setting while running specs.
Remove enumerate_it gem
Merge pull request #515 from diogob/add_backer_decorator_spec_file

Moved BackerDecorator#display_value spec to backer_decorator_spec and cr...
Merge pull request #516 from josemarluedke/remove_gem

Remove enumerate_it gem