fix meta title / meta description when details view has an tag.
because details view with our tag has the same title / description
bad for google = duplicate title / description (http://support.google.com/webmasters/bin/answer.py?hl=en&answer=35624)
adding unit test detailsTest::testGetTitleWithTag()
Merge pull request #25 from proudcommerce/b-dev-ce

fix meta title / meta description when details view has an tag.