Issue title: Title appears more than once only when theme is enabled.
 Issue body: ![image](https://cloud.githubusercontent.com/assets/14027493/9561167/a0b7004a-4e7d-11e5-9ca2-4a2836c04b44.png)
Title tag with another theme

![screen shot 2015-08-29 at 6 40 26 pm](https://cloud.githubusercontent.com/assets/14027493/9561185/aa81b6a0-4e7e-11e5-99f4-5a247f29310f.png)
Title tag with theme
 Comments: 
 Comment 0: This should now be fixed if you pull down the latest header.php file.
{'source': 'GithubIssues', 'repo_name_with_owner': 'braginteractive/materialwp', 'issue_id': 103840332, 'repo_stars': 539.0}