Fixed failed test caused by use two letters I18n locale name as defau…

…lt; Supported five letters I18n locale name like `zh-TW`.

Added tests to cover the href for canonical and hreflang links.

Clacky changed files

After update to rails3.2.11 rails use jquery1.9.0 then jquery.isotope…

….min.js not work. So I add jquery-1.7.1.min.js to make jquery.isotope.min.js still works