Merge branches 'dev' and 'master' of https://github.com/LumaPictures/meteor-luma-component into dev

* 'dev' of https://github.com/LumaPictures/meteor-luma-component:
  working template helpers

* 'master' of https://github.com/LumaPictures/meteor-luma-component:
working events in mixin
events tests