Actualize ru.js.categories
using max-width on the #main-logo versus setting a static width
FIX: Performance regression on Markdown renderer.
Shorten some text
Merge pull request #1630 from awesomerobot/master

using max-width on the #main-logo versus setting a static width
Merge pull request #1632 from velesin/header_integration_test_clean_up

cleans up setup of header integration test
Merge pull request #1631 from velesin/fixture_jshint_fix

FIX: adds fixture test helper to JSHint config
Merge pull request #1629 from dmchk/ru

Actualize ru.js.categories
FIX: Unloading categories page failed in some circumstances; update to latest Ember.
refactors logo component unit tests to use fixture helper