Added volume control plugin.

Added volume access buttons to audio page.

Changes made by Bryan Matthews (starfishbam@gmail.com).
Cleaned up volume control implementation.

Changes made by Bryan Matthews (starfishbam@gmail.com).
Played with register modal screen.
Added web view to play with inappbrowser/webaudio.

Changes made by Bryan Matthews (starfishbam@gmail.com).
Merge branch 'master' of https://github.com/reiersonshane/Blackbird.git