Merge pull request #95 from teotigraphix/master

Code clean up, add missing API to daw classes
Fixed clip start in flipped session view.
Replaced tabs with 4 spaces.
Moved most of the host calls to the daw package.
Removed unused function.
Introduced ApplicationProxy.
Removed unused code.
Moved some functions to daw package to make the overridable in other implementations.
Move tap tempo to transportproxy.
Removed redundant function.
Some abstraction.
Abstracted 128.
also 64
Added Mute toggles in Volume mode. Issue#100