encode port info to klayjs
encode port info on inports/outports
group support on autolayout
Merge remote-tracking branch 'the-grid/master'

Conflicts:
	the-graph/noflo-klay-interface.js
no more debug messages
klayinit working with new linker by Ulf
Merge pull request #106 from automata/master

Group and ports support on autolayout