Add CSP fallback to sandbox.html for non-chrome app runtimes
Make public key shareable via link
Upgrade to imap-client v0.3.5
[WO-428] use integer to track busy state
[WO-428] add missing busy() call to plain text sending and encryption
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
Merge pull request #91 from whiteout-io/dev/WO-474

Render text body in iframe as well
Performance improvements and fixes for mail-list
* Use same list style in desktop as mobile
* Bugfix: don't download all body when list not displayed
* Use ng-infinite-scroll to load DOM nodes on demand
* Custom search filter for FTS and reomve angular filters
* Rubber band scrolling on iOS
* Add CSP support in cordova via html meta tag
Merge pull request #93 from whiteout-io/dev/performance

Dev/performance
Merge pull request #90 from whiteout-io/dev/WO-428

[WO-428] use integer to track busy state
Relax CSP for connect-src
Relaxed CSP to work on iOS and Android
Change comment in PGP armor to whiteout
Fix test
[WO-443] Fix writer bugs
* Fix writer body height in mobile mode
* User input type email in writer headers
* Only show and process encrypted preview for encrypted mails
Fix tests
[WO-344] Fix delete and backspace events in writer headers
[WO-448] Do not show reader on first select in mobile mode
[WO-463] Use monospace font for keychain code
Fix iframe width on first scrollable mail