Enabled audio and video drafts
All slide types do have an "image", changing the check order enables audio and video drafts.
//FREEBIE
Merge pull request #2218 from McLoo/fix_av_draft_2

Enabled audio and video drafts
memory-friendly resize for circle cropping

Fixes #2224
// FREEBIE
Merge pull request #2227 from mcginty/circle-crop-oom

memory-friendly resize for circle cropping
remove double rotation of group avatars

//FREEBIE
Catch issues with bad MMSC URIs, add validation

Fixes #2202
// FREEBIE
Replace button text to cancel TS registration
in RegistrationActivity from "skip" to "cancel", when coming from the reminder

Closes #2219
Merge pull request #2230 from mcginty/manual-mms-pref-validation

Catch issues with bad MMSC URIs, add validation