Fix NPE

Allow tor in sticker pack download

Allow getting a set-up client from anywhere

add_contact was being used other places

Allow cancel even if webpage is broken

Don't update url unless we have a reason to

Easy import of stickers from signal

Merge branch 'start-join'

* start-join:
  Unify add contact and join channel
  If a MUC address is entered as a contact, join it

Merge branch 'default-stickers'

* default-stickers:
  Default sticker download offer on first start
  Scan files so they show up under images
  Send SIMS with hashes and filename
  sha-1 is the standard name sha1 is just for bob
  Send cid with known URL without uploading
  Option to download default stickers and save their cid and url in database

Default sticker download offer on first start

Scan files so they show up under images

Send SIMS with hashes and filename

sha-1 is the standard name sha1 is just for bob

Send cid with known URL without uploading

Option to download default stickers and save their cid and url in database

Allow blocking cid thumbnails

Fix for layout race condition

Fix for API less than 24

Better save as sticker, also works for older android versions

Option to clear blocked media