Nine Work for Intune

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* Updated to ADAL v3.1.2
* Some improvements related to the rich text editor
- Supports RTL(Right-to-Left) editing.
- Added the spell checker option. (Settings > General > Composer > Spell checker)
- Fixed the problem not to be saved a draft in DeX mode.
* Improvement of Drafts Sync
- Supports the draft sync even in the case that you use the "Reply/Reply All", or the "Forward" in an email.
- Supports S/MIME message's Sync.