* Remove recursive ng-includes/templates
* Use DOMPurify to sanitize reader input
* Remove ngSanitize
* Wait to show signature error until body has been parsed
* Fix scrollbar in iframe
* Allow iframe scrolling on iOS
* Move mail text body rendering to sandbox
* Cleanup html files
* Add ng-animate module in libs
* Move error dialog init to app.run
* Include error dialog template only once in index.html
* Fix race condition between ng-repeat, ng-class using ng-animate