point to https rubygems
Merge pull request #2039 from cgcardona/update_gemfile

point to https rubygems
Update Gemfile.lock as well
Added test to prove 3rd code block in Guides, section "Rendering a Template"
Merge pull request #2032 from oldfartdeveloper/render_controller

Added test to prove 3rd code block in Guides, section "Rendering a Template"
Merge pull request #2042 from bradleypriest/update_gemfilelock

Update Gemfile.lock as well
Fix false redirect alarm in Router.didTransition

In some cases didTransition believed a redirect had occurred when this was not
the case. This in turn prevented currentPath from being set among other issues.
itemController should propagate target

This allows {{action}} to work when paired with
{{#each}}'s itemController option.