enhance makefiles
define graph style in its own less file
rename graph directive file
create worker
change bower version in package.json
create force layout in worker
aggregate in the worker
remove old unused code
fix loadleaf to work with workers
move custom_d3 out of static/components/
always use http and not https to launch worker
create proxy endpoint
change custom_d3 url in importScript
fix worker launch
Merge branch 'feature/graphs-workers'

Conflicts:
	.gitignore
	Makefile