fixed undefined app variable
start server even if there are no graphs to load
allow access control graph to be null
added option to switch to http
added new options to default config file
new version 0.1.2
Merge commit '24243224540564c05365d1bb5a799c27359bf065'

* commit '24243224540564c05365d1bb5a799c27359bf065':
  new version 0.1.2
  added new options to default config file
  added option to switch to http
  allow access control graph to be null
  start server even if there are no graphs to load
  fixed undefined app variable

Conflicts:
	data/config.js