change brach for Travis image
update initializer
rebuild js
added coverage badge to README; coveralls gem
Merge pull request #493 from lemurheavy/3-2-stable

added coverage badge to README; coveralls gem
add support to new absence validator
Merge branch '3-2-stable' of https://github.com/bcardarella/client_side_validations into absence_validator
fix worning on ActiveRecord::TestCase