Complete the query setup before setting up the wp table
Reorder stuff in the work packages angular controller
Renaming in work packages controller
Move shared work packages index data to services for easier access
Merge pull request #1278 from opf/angular/work-packages-index-setup

Angular/work packages index setup
Populating columns dialog with available/selected columns.
Have a dummy sortable select2 for columns modal. Not wired up yet.
Wired up columns controller to an extent.

Still some ui issues - select needs to be deactivated whilst loading. Now waiting for refactor so that wp table watches the query columns and not the columns scope variable.