* First pass on providing individual services for all possible targets that a notification platform supports.
* Add a quite hacky first version of notification groups
* Add a docstring for get_targets
* Register group service under notifygroup/ and safely check for notifygroups in config
* Remove notifygroups, because it belongs in its own PR
* Make @balloob requested changes
* get_targets()->targets
* Add tests for notify targets exposed as individual services
* If we dont have a platform name set in configuration, lets use the name of the platform instead of notify
* Fix test docstring.
* Dont use a dictionary for just one value
* No need to double slugify
* targets is now just a list of strings instead of a dict
* Retry sending the push for 1 day instead of failing instantly if the target is unavailable
* Add timestamp to push payload
* Correctly use the title and body fields for their intended purposes
* Add callback support
* Revert changes to frontend files.
* Add default URL which will open Home Assistant. Also put all the data into the data object of the payload so it is accessible in the browser. Without doing this, things like URL wouldnt be accessible.
* Flake8 and pylint fixes
* event->type
* Dont send the default url if actions exist
* flake8/pylint fixes again
* Update html5 tests
* Remove callbacks from this branch, will re-stage on a different branch
* Remove remnant of callbacks
* Add url to data dictionary if it exists instead of copying the entire data dictionary in
* flake8 fix
* Initial work to add Chrome Push Notification support
* Remove push.js from home-assistant since it is now in Polymer
* Chrome->HTML5, general cleanup/fixes
* Make html5 generic, move manifest.json into frontend so that we can dynamically add the gcm_sender_id
* Pylint, flake8, pydocstyle frontend init
* HTML5 push fixes
* Update polymer
* Remove crypto req
* Add notify default platform.
* Fix HTML5 push
* Registration fixes
* Linting fix
* pep257 fix
* Add tests
* pep257 fix
* Update frontend
