Bump ember-cli-qunit version to 0.0.5

Fixes windows bower install
Upgrade ember to 1.7.0
Merge pull request #1729 from jakecraige/patch-5

Upgrade ember to 1.7.0
Merge pull request #1728 from jakecraige/patch-4

Bump ember-cli-qunit version to 0.0.5
replace `ui.write` with `ui.writeLine`
Merge pull request #1715 from selvagsz/add-new-line-after-error-stack

Adds a new line after build error stack trace