conversation: add multiline textView

- add multiline textView
- replace the send button on the keyboard with the return button
- replace the emoji button with the send button when editing starts
- use a blur effect on the background of the MessageAccessoryView
- change the color of the TextView cursor to ringMain
- use a blur effect on the home indicator space background of the
  Conversation view on iPhone X and later
- adjust the bottom content of the tableView is automatically when
  the textView height changes
- fix the keyboard close button on iPad

Change-Id: Idd52c5eabbfbfe45e6d73340ac527083327eb55a
Reviewed-by: Andreas Traczyk <andreas.traczyk@savoirfairelinux.com>
12 files changed
tree: 285f92b571880fb11f6ad1a6925c7fa0e6231849
  1. Ring/
  2. .gitattributes
  3. .gitignore
  4. .gitreview
  5. compile-ios.sh
  6. COPYING