Render text body in iframe as well
* 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
WIP: begin sandboxing mail-list

Implement angular filter w/ content aware full text search

Load mail bodies in sandbox when scrolling

Filter cc,bcc and some cleanup

Only send data required for display list to sandbox

Add wo-touch events