Remove GLCD Init from M2tk init
Add GUI Task, start M2tk event loop with null root
Add include guard on M2tk.h
Allow M2 root to be set from other tasks, add test to HomeScreenApp
Merge branch 'master' into feature/GUI
Merge remote-tracking branch 'origin/master' into HEAD
Merge remote-tracking branch 'origin/improv' into feature/GUI

Fix conflicts and Update TiLDATask.cpp to include GUITask

Conflicts:
    EMF2014/EMF2014.ino
    EMF2014/HomeScreenApp.h
Add GUI task to new TiLDA interface
Merge pull request #68 from emfcamp/feature/GUI

Feature/gui