Better audio recording quality. [Issue #2204]
Merge pull request #447 from tilusnet/pullreq-bettersnd

Better audio recording quality. [Issue #2204]
Bump version to 2.3alpha5
Merge pull request #452 from trashcutter/stats_small_things

Today mini Statistics
Bumped version to 2.3alpha6
@branch-specific
added histogram for cards review count and cards relearn count
added ease histogram statistics