Merge pull request #178 from gMajr/dev

Dev
Merge pull request #181 from gMajr/dev

Dev
Merge pull request #185 from gMajr/dev

Dev
Merge pull request #186 from davegw/refactor

Place audio visualizer into separate module
Merge pull request #187 from gMajr/dev

Dev
Update README.md

Fix spelling error
Add new facebook app ID