Added additional files for theme 'default'.

Known Error(s):
* <link rel="">'s in home.tpl are invalid. Maybe .htaccess is broken?
merge from master
Added template design
Removed unnecessary lines of code.
Added template
fixed minor bugs
Added cover.tpl as base template
Minor changes
Minor changes
I don't even know I edited this…
* Added new getPageBaseTemplate() method to interface
* prevented XSS attacks
* even more look at GitHub's diff!
Merge pull request #2 from 77u4/theme