Added a settings menu item and modal for group by.
Merge branch 'dev-angular' into feature/toolbar-group-by

Conflicts:
	app/assets/javascripts/angular/directives/work_packages/options-dropdown-directive.js
	app/assets/javascripts/angular/models/query.js
	app/views/work_packages/index.html.erb
Use ERB trickery to load jQuery UI, select2 CSS

Rails 4's asset pipeline only pre-compiles assets with digest.

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Fix missing @import breaking asset precompilation

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Begin adding HTML markup to wp details pane

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Make wp details pane background less obtrusive

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Remove broken Save button from wp query/filters UI

Signed-off-by: Alex Coles <alex@alexbcoles.com>
[wip] Right align column context menu arrow

Signed-off-by: Alex Coles <alex@alexbcoles.com>
[wip] Hard-code placeholder data for Export dialog

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Style wp current sort column as 'active column'

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Added group by item to settings dropdown.
Fixed various core cukes relating to work packages table.
Fix some cukes failing due to upper case conversions
Merge branch 'dev-angular' of github.com:opf/openproject into dev-angular
Fix another cuke related to case conversions in headings
Fixed remaining core cukes
Merge pull request #1318 from opf/feature/toolbar-group-by

Added a settings menu item and modal for group by.