added aspect id to variable entity and to output of list vars operations
basic wiring for watch variables
introduced watchlist object
more pipeline wor and tests skeleton
add watchlist pipeline now works
pipeline for get watch lists working
more wiring for generic watch variables functionality
fixed some typos
restructured to send serilized tree along with the entities
taking out dashes from JSON properites
Moving message-socket to match dev branch
Merge branch 'variable-watch' into development

Conflicts:
	src/main/java/org/geppetto/frontend/OUTBOUND_MESSAGE_TYPES.java
	src/main/webapp/index.html
	src/main/webapp/js/websocket-handlers/GEPPETTO.MessageSocket.js