added key up-down events for windows
fixed build for mac without keyboard events
playing around, cleaning
fixed mac build
Added MPJustinMapLayer and buttons
My map added

Testing with my own map layer
added turner map
merge Justin's screen
Merge remote-tracking branch 'justin/master'
fixed build for mac
adding keyboard code on mac side
expanded keyboard event handling code
fixed build for windows
fixed windows keyboard handling
always set processed to false on Windows in event interception code
activated asd keys for mac
added camera following