add other mock call to operators
removed i/o port columns
Merge branch 'ngConsole' into ng-dag-operator-class-list.MLHR-1380
MLHR-1380 #resolve

Squashed commit of the following:

commit 36b871fc5542ef7a3f92a66a7b48b087006dcdb6
Author: Andy Perlitch <andy@datatorrent.com>
Date:   Wed Sep 24 02:33:02 2014 -0700

    add expanded style to group headings

commit b1782c56ce689d463a5f45653296c427c2765414
Author: Andy Perlitch <andy@datatorrent.com>
Date:   Wed Sep 24 02:23:00 2014 -0700

    better grouped list

commit 4df574b45d37b7026be2572918a85b93c59188fa
Author: Andy Perlitch <andy@datatorrent.com>
Date:   Wed Sep 24 01:55:57 2014 -0700

    add categories to mock json of operator classes, update mock intercept route

commit 0cfcf49a0b8903323263a6138404101075fefee3
Author: Andy Perlitch <andy@datatorrent.com>
Date:   Wed Sep 24 01:43:44 2014 -0700

    add dagOperatorClasses directive, replaces ng-grid
Merge pull request #191 from andyperlitch/ng-dag-operator-class-list.MLHR-1380

Improve operator class list in left panel