Updated page url to dagEditor in settings
added PackageOperatorClass model and collection
added PackageOperatorClassCollection to dagEditor
added transformResponse key to PackageOperatorClassCollection
removed camel2spaces filtering on classNames, added word-break rule to css
added ng-grid css to main.less
added (unstable) ui-grid module
set up basic table of operatorClasses with ui-grid
replaced connect with express
added mock operator classes API call
added packageName and simpleName fields to operatorClasses
changed to md columns for dagEditor
improved helper for dragging operators onto canvas
added custom templates to ui-grid options for operatorClasses, a few other changes
removed styles for .operator-class
make port radius smaller if there are a lot of ports
Merge branch 'ng-live-operator-data.MLHR-1411' into tmp

Conflicts:
	app/pages/dev/packages/package/dagEditor/dagEditor.js
	app/pages/dev/packages/package/dagEditor/dagEditor.less
	app/pages/dev/packages/package/dagEditor/dagOperator.html
adding .hover class to port label when hovering on port itself
jshint fix
Merge branch 'ng-live-operator-data.MLHR-1411' into tmp

Conflicts:
	app/pages/dev/packages/package/dagEditor/dagEditor.less