Detect tag.hbs template in themes

closes #2320
- changed detection from "tag" to "tag.hbs" in "frontend.js" contrroller
Add test for tag.hbs template.

refs #2321
Merge pull request #1 from halfdan/add-test-tag

Add test for tag.hbs template.
Merge pull request #2321 from polygonix/2320-detect-tag-hbs
Bower dependency order OCD
Merge branch 'master' into ember

Conflicts:
	.gitignore
	Gruntfile.js
	bower.json
	core/client/assets/lib/showdown/extensions/ghostdown.js
	core/client/assets/vendor/showdown/extensions/ghostdown.js
	core/client/router.js
	core/clientold/assets/vendor/chart.min.js
	core/clientold/assets/vendor/codemirror/addon/mode/overlay.js
	core/clientold/assets/vendor/codemirror/codemirror.js
	core/clientold/assets/vendor/codemirror/mode/gfm/gfm.js
	core/clientold/assets/vendor/codemirror/mode/gfm/index.html
	core/clientold/assets/vendor/codemirror/mode/gfm/test.js
	core/clientold/assets/vendor/codemirror/mode/markdown/index.html
	core/clientold/assets/vendor/codemirror/mode/markdown/markdown.js
	core/clientold/assets/vendor/codemirror/mode/markdown/test.js
	core/clientold/assets/vendor/countable.js
	core/clientold/assets/vendor/fastclick.js
	core/clientold/assets/vendor/icheck/jquery.icheck.min.js
	core/clientold/assets/vendor/jquery.hammer.min.js
	core/clientold/assets/vendor/nprogress.js
	core/clientold/assets/vendor/packery.pkgd.min.js
	core/clientold/assets/vendor/showdown/extensions/ghostdown.js
	core/clientold/assets/vendor/showdown/showdown.js
	core/clientold/assets/vendor/validator-client.js
	core/test/unit/client_ghostdown_spec.js
	core/test/unit/client_showdown_int_spec.js