Added functional test for uploading image/cover in settings

references #2273
- added a test that clicks on both upload (image/cover) buttons and tests the same testing function on them since both modals are exactly the same
- the testing function checks for the '.js-drop-zone.image-uploader' selector, then clicks accept, and tests that a blank success notification appears
- shifted the test email test validation upwards so the ordering of tests matches the ordering of the UI elements
Rss support for tags

closes #2260
- added routes for /tag/:slug/rss and /tag/:slug/rss/:page
- added support for tag in the rss controller
- added route tests for each extra case
- fixing a tiny typo in some test descriptions
Updating copyright range

Updating the copyright year to be a range. :-)
Otherwise the license wouldn't explicit cover the older versions you've made.
Serve default robots.txt

closes #2062
- Server robots.txt from theme if available
- Serve default robots.txt from /core/shared/ otherwise
- Added tests for default robots.txt
Merge pull request #2341 from stenehall/tag_based_rss_feeds

Rss support for tags
Merge pull request #2370 from halfdan/2062-robots

Serve default robots.txt
Merge pull request #2393 from robgraeber/copyright-year

Updating copyright range
Update copyright
Moar iOS mobile friendly fandango

* Minimalise up in this what http://visuellegedanken.de/2014-03-13/viewport-meta-tag-minimal-ui/
* Webapp capable all over the hello
* Consistent self-closing meta tags and shit

This needs to be merged into the ember branch. Probably.
Added functional tests for editor: tag editor, image uploads, post settings

references #2273
- test tag creation and tag deletion
- tests image uploader appears after typing `![]()` in editor
- tests image URL matches url inside `![](url)`
- tests all input elements of post settings menu
Merge pull request #2392 from mattse/issue#2273

Added functional test for uploading image/cover in settings
Merge pull request #2395 from mattse/mattse#2273

Added functional tests for editor: tag editor, image uploads, post settings
Merge pull request #2394 from JohnONolan/ios-lol

Moar iOS mobile friendly fandango