refs #6458, closes#6457
- replaces jquery-ui.sortable with ember-sortable for drag-n-drop handling
- moves the "new/blank" nav item out of the nav items list
- allows it to be excluded from the draggable list
- cleans up handling of the `navigationItems` array as there's no longer a need to ignore/exclude this extra item
- clears validation errors when typing in the respective field
- adds acceptance test for adding/removing nav items
- improves acceptance test for saving nav items to cover more edge cases
Closes#6390
- check if more posts should be loaded whenever one is deleted
- delete dead code from posts controller
- delete duplicate component gh-infinite-scroll-box
- simplify posts-list-item `posts.post` or `editor.edit` link logic by modifying `gh-content-view-container` to yield necessary vars directly and use inline ifs in template
- add `gh-tag` component for rendering tags and updating infinite scroll box on `settings/tags` page
refs #6207, #6207
- updates tests for new async behaviour
- fixes tests failing on validation errors
- fixes `feature.labs` not updating after successful save
closes#6448
-upgraded should.js to the latest version (8.2.1)
-Changed the tests so that they comply with the breaking changes introduced in the new version of should.js
-Installs the package should-http so should.be.json() can be used
-Installs the package should-sinon so that should.be.calledOnce() can be used
no issue
- drop phantomjs tests both locally and on Travis
- instruct Travis to install latest Chrome and Firefox
- start an X server when running the client tests on Travis
- update testem config to start Chrome and Firefox in both local and CI tests
- fix testing preview sizing in Firefox as it doesn't support `zoom: 50%` style
- improve infinite scroll testing to be more reliable
- fix post acceptance test to handle both mobile and desktop views
