Merge pull request #27 from licaon-kter/patch-1

Update gradle here too

Version 3.22.4

- Various fixes.

Moved apk for f-droid.

Updated release APK

- Added additional download preferences.

- Fixed issue with auto refresh alarm manager cancelling.
- Utility; volume down on preference screen shows last widget auto-refresh time.
- Fixed bug causing first comment posted in an empty thread not to show.

Release 3.21.0

- Added integration with Reddits new /r/all filter.
- Added background sync of subs, multis & filters. Triggered daily when subreddit selection activity is opened.
- Added option to open a subreddit in a new activity via post options dialog.
- Added subscription status icon to view all subreddits activity.
- Added score abbreviations to align with Reddit scoring change (full score still visible in info panel).
 - Various other improvements & bug fixes.

Version 3.20.2 patch release

- Fixed issue loading and copying multi paths with proceeding slash.
- Fixed imgur regex detection to include sub domains.
- Added ime action to multi dialog EditText elements.
- Updated Android SDK and support libraries.

Version 3.20.1 patch release

- Fixed issue with download path.
- Switched to semantic versioning, reworked show changelog function.

3.20 release patches

- Fixed issue with dir chooser library dependency bloating APK

3.19 release