actually fallback when mms local params unset

// FREEBIE
sane fallback for media selection on exception

Fixes #1763
// FREEBIE
use wildcard media types, don't crash on preview fail

// FREEBIE
Bump version to 2.1.10

// FREEBIE
Merge pull request #2 from WhisperSystems/master

Merge 2.1.10 changes