added new ServerHandler, a generic way to create commands on the server, callable from the client side debugbar
bug fix, refactoring and docs for server handlers
updated unit tests
New widget system on the backend side. Renderable is renamed to WidgetProvider.
updated docs
Update debugbar.js
Update .gitignore
Update .gitignore
Update highlight.pack.js
Delete composer.json
Delete component.json
Delete bower.json
Delete Makefile
Delete .bower.json
Update highlight.pack.js
Update highlight.pack.js
Create highlight.pack.js
Delete arta.css
Deleted vendor/highlights
Merge branch 'dev'

Conflicts:
	.gitignore
	tests/DebugBar/Tests/JavascriptRendererTest.php
	tests/DebugBar/Tests/full_init.html