Added framework for DMX monitoring
Implemented base monitoring functionality
Improved receiving DMX Monitor data upon universe switching
Implemented dynamic height for monitoring grid
Fixed magic numbers
Improved monitor cell interface
Added DMX monitoring tests
Fixed DMX channel indexing
Merge issue/11 into issue/13
Merged new changes from issue/11
Moved MonitorScreen kivy layout to new file
Merged new changes from branch issue/11
Changed DMX listening event behavior
Merge pull request #15 from jesseanderson/issue/13

Issue/13