Fdroid 2.10.10

Revert stuff that needs newer libwebrtc

If starting a command, make sure we are showing commands here

Fix NPE

Handle prev from completed or canceled properly

Still show the close button (not a cancel button) on a completed or canceled
flow that supports prev.

Merge tag '2.10.10'

* tag '2.10.10':
  version bump to 2.10.10 + changelog
  pulled translations from transifex
  bump guava library
  use custom libwebrtc (m104) for playstore release
  minor code clean up
  Use the same mechanism for link copying and linkification (#4357)
  Update recommendations for Gajim (#4355)
  Add fastlane changelog (#4354)

Fix crash when menuInfo has no useful position

DIRECTORY_DOCUMENTS was added in sdk19

Fix backup

Fix NPE

Class-based getSystemService reuires newer android apis

version bump to 2.10.10 + changelog

pulled translations from transifex

bump guava library

use custom libwebrtc (m104) for playstore release

minor code clean up

Use the same mechanism for link copying and linkification (#4357)

Prevents copying something different from what was linked, such as in the
message "fine.gif https://example.com"

Switch to guava Optional for older Android

NPE from context menu

Merge branch 'bob1'

* bob1:
  Preliminary support for bits-of-binary