modified gemfile.lock file to make selenium-webdriver version 2.42 so would work  with current version of firefox
added feature tests for homepage buttons
added one users_features test, not currently passing, pending
Merge branch 'master' into feature_test_sessions
merged the logout branch from master into current branch
added log in and sign up capybara tests
Merge branch 'master' into feature_test_sessions
merged master with jasmine testing branch
Merge pull request #36 from pocket-gophers-2014/feature_test_sessions

Feature test sessions