* fix mask-icon
Somehow there was a rectangle in the export with some opacity making the
mask-icon not work properly (got a bit ugly)
* svg reduced to bare minimum
* Consolidate frontend
* Remove no longer needed cd
* Get Roboto from bower_components
* Remove external dependency from update_mdi.py
* Copy leaflet assets on build time
* Tweak Dockerfile
* Create Python package
* Set zip_safe to False
* Update build scripts
* Version bump to 20171021.0
* Fix service worker
* Version bump to 20171021.2
* Update docker ignore
* Tweak Dockerfile thanks to Adam
