Clean up building of study options fragment
Merge pull request #575 from timrae/cleanupStudyOptionsFragment

Clean up building of study options fragment
Updated strings from Crowdin
Bumped version to 2.3beta41
@branch-specific
Escape images to fix issue 2345
Merge pull request #576 from timrae/escapeImages

Escape images to fix issue 2345
Bumped version to 2.3beta42
@branch-specific
Remove unused currDid variable.
Merge pull request #577 from agrueneberg/remove-unused-currdid

Remove unused currDid variable
Add support for playing videos