Fix importing of apkg files from external intents and make shared decks download via browser
Merge pull request #492 from timrae/sharedDeckInBrowser

Fix importing of apkg files from external intents and make shared decks download via browser
Bumped version to 2.3alpha31
@branch-specific
Add exporting code to libanki
Merge pull request #494 from timrae/apkgBackups

Complete APKG exporting
Allow the use of cookies on cards by

-appending a file name to the base URL (which previously was a directory)
-calling CookieManager.setAcceptFileSchemeCookies(true) for API levels >= 12
Fix audio playback issue:

By limiting change of base URL to calls of loadDataWithBaseURL