Updated dir structure and minor changes to use zetta-next style
Added new displayscreen driver
Updated robot arm driver to new zetta format
Added linux command zetta driver
Cleaned up files
Split app logic into seperate apps
apps using query, cb syntax. .subscribe does not work
Fixed device_server not calling eventemitter constructor. Bugs in devices
Added iphone device driver
Merge branch 'zetta-next-rewrite'

Conflicts:
	package.json