Made the following modifications to admin interface

Added icons to a lot of things.
Modified buttons.
Reduced the application table width for better readability.
Added hover effect to table rows in application table.
Added a Copyright Info footer in base.html.
Modified breadcrumbs.
Added search icon to search input box.
Added two custom classes to bootstrap.min.css.
Modified Heading h2 in bootstrap.min.css.
![capture](https://f.cloud.github.com/assets/6051897/1642029/cff8e6ea-586e-11e3-81f2-f010f4d4026b.JPG)
![capture2](https://f.cloud.github.com/assets/6051897/1642032/d9a6b334-586e-11e3-8fe1-cb76967450a5.JPG)
![capture3](https://f.cloud.github.com/assets/6051897/1642033/d9b3b94e-586e-11e3-87b7-62a6252ed91d.JPG)
![capture4](https://f.cloud.github.com/assets/6051897/1642034/d9c2f8a0-586e-11e3-870a-fc5cf024b8cb.JPG)
![capture5](https://f.cloud.github.com/assets/6051897/1642035/d9ceb528-586e-11e3-9bfb-3bcb614c88db.JPG)