Prepares for travis-ci
Fixes run_tests
Simplifies the travis matrix
Fixes 'failed to create symbolic link xxx: File exists'
Gem actionmailer is included with rails
Fixes 'failed to create symbolic link xxx: File exists' on prepare_plugin
Adds coveralls and travis badges
Minor improvement on README.md
Fixes link on tavis badge
Fixes link on tavis badge
[ci skip]
Removes ldap and openid from the travis build
[ci skip]
Removes actionmailer from the Gemfile
Build fails without openid
Renames bot GPL and COPYRIGHT files
Updates the GPL license file
Updates the license to GPLv2
Minor change on the copyright text
Replaces vendor/plugin/except... with a gem dependency