[wip] Integrate toolbar in work packages view

Adds skeleton directives for toolbar, dropdown menu directives.
CSS styling is borrowed from the jquery-dropdown project.

* Temporarily remove query selector.

User Story # 5501

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Add angular-modal

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Upgrade to Sass 3.3, specifying explicitly

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Add Bourbon Sass mixin library

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Add Bitters scaffolding for Bourbon-based projects

To be removed later.

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Comment out Bitters scaffold @import until needed

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Add modal dialog to display Export formats

Integrate angular-modal and provide basic styling (based on Bourbon
Refills recipe). Modal dialog lacks actual content, media query
support.

User Story # 5504

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Fix semicolon in withDropdown directive
Reformat WorkPackagesController dependencies array

Attempt to make the array "patch-friendlier".
Move exportModal Factory into separate source file

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Remove server-rendered action menu from wp view

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Merge branch 'dev-angular' into feature/ng-toolbar

Signed-off-by: Alex Coles <alex@alexbcoles.com>

Conflicts:
	bower.json
[wip] Add links to work packages Export formats dialog

User Story # 5504

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Merge branch 'dev-angular' into feature/ng-toolbar

Signed-off-by: Alex Coles <alex@alexbcoles.com>

Conflicts:
	app/assets/javascripts/angular/controllers/work-packages-controller.js
	app/assets/javascripts/angular/directives/components/with-dropdown.js
	app/assets/stylesheets/layout/_drop_down.css.sass
	app/assets/stylesheets/layout/all.sass
	app/views/work_packages/index.html.erb
	bower.json
	karma.conf.js
Remove work packages prototype CSS

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Add modal dialogs for remaining toolbar actions

Signed-off-by: Alex Coles <alex@alexbcoles.com>
[wip] Show actual Types in 'New' toolbar dropdown

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Improve styling of selectable title

Signed-off-by: Alex Coles <alex@alexbcoles.com>
Merge branch 'feature/ng-toolbar' into dev-angular

Signed-off-by: Alex Coles <alex@alexbcoles.com>

Conflicts:
	app/assets/javascripts/angular/controllers/work-packages-controller.js
	app/assets/javascripts/angular/openproject-app.js
	karma/tests/controllers/work-packages-controller-test.js
Fix dependency in workPackagesController test

Signed-off-by: Alex Coles <alex@alexbcoles.com>