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

* 'master' of https://github.com/LumaPictures/meteor-luma-component:

* 'dev' of https://github.com/LumaPictures/meteor-luma-component:
  template extend
  working mixins
  working mixin tests
  added nested object tests
  all unit tests passing
  added example svg elements
  working example
extend template tests