Added a null check in getFormLanguage() method (getodk#2998)

Merge pull request getodk#2988 from yanokwa/prepare-release

Prepare release

Translation update for v1.21 beta (getodk#2969)

Fixed validating Google Accounts (getodk#2907)

Merge pull request getodk#2905 from yanokwa/proguard-rules

proguard changes for okhttp

Merge pull request getodk#2840 from grzesiek2010/COLLECT-2836

Show questions with empty labels in FormHierarchy even if they are read-only

Merge pull request getodk#2841 from yanokwa/update-languages

Updating translations for beta release

Merge pull request getodk#2808 from grzesiek2010/splashscreen_logs

Collect logs if a user changes default splash screen image

Fixed app crash in rank widget issue (getodk#2742) on config change. (g…

…etodk#2746)

* Fix app crash in rank widget issue (getodk#2742) on config change.

Handle case when the progress dialog needs to be dismissed after onSa…

…veInstanceState (getodk#2729)