minor: bumping rails for security fix
minor: updating readme and fixing travis config
Fix bug when query in continuously clicked
Merge pull request #68 from drcapulet/master

BUG: Query button event causes infinite button creation
Merged with upstream.
Added language specific translations (Issue #50)
clean-up: killing whitespace, empty clases and non-essential tests
quality: adding code coverage tracking
minor: travis changes, improving poltergeist
Merge remote-tracking branch 'upstream/master'
Jasmine testing on opcount graph so far.