Feeds: optimized  var assignment
Feeds: add unit tests
Merge pull request #4460 from patheard/unit-test-feeds

Feeds: add unit tests
Updated the Canada.ca working examples link
Merge pull request #4461 from LaurentGoderre/canada.ca-working-examples

Updated the Canada.ca working examples link
data-ajax: remove working example dependency from unit tests

Required to support single test harness (#4439).
Merge pull request #4462 from patheard/unit-test-ajax

data-ajax: remove working example dependency from unit tests
Fixed grunt-contrib-imagemin install on Windows.

For some reason, the version v0.4.x of this module doesn't install anymore on Windows. V0.5 is ok.
Merge pull request #4464 from LaurentGoderre/fix-imagemin-windows

Fixed grunt-contrib-imagemin install on Windows.
Tabs: Fixed incorrect display of summary element in IE8 (fixes #4458)
Merge pull request #4470 from pjackson28/fixtabsie8

Tabs: Fixed incorrect display of summary element in IE8 (fixes #4458)
Documentation: Port of the version history and communications materials to v4.0