Merge tag 'release/v0.1.9' into development

Release v0.1.9

* tag 'release/v0.1.9':
Workaround for heroku's 4.0 asset pipeline support
Merge branch 'release/v0.2.0'

* release/v0.2.0:
  Workaround for heroku's 4.0 asset pipeline support