Retire support for `sha1` stanza.

We haven't received new submissions using `sha1` for quite
some time.
Update Launchbar to 5.6.4
Merge pull request #4283 from w4beda/pr/4281

Update Launchbar to 5.6.4
Update URL for PaintCode 2.0
Upgrade Google's Music Manager.app to 1.0.104.6528

Updated url, homepage, version, sha256 and fixed link (thanks vitor!).
Merge pull request #4284 from ninjabong/music-manager

Upgrade Google's Music Manager.app to 1.0.104.6528
Merge pull request #4268 from lumaxis/paint-code

Update URL for PaintCode 2.0
Make HockeyApp adhere to naming reference
Merge pull request #4286 from vitorgalvao/lumaxis-hockeyapp

Make HockeyApp adhere to naming reference
Merge pull request #4264 from rolandwalker/retire_sha1

Retire support for `sha1` stanza.