Bootstrap redesign

This changes the colors of the Bootstrap CSS to fit Amplab's theme colors and fixes the log paging buttons to use the Bootstrap component.
![screen shot 2013-07-31 at 3 58 32 pm](https://f.cloud.github.com/assets/4754931/890550/ce55fe30-fa37-11e2-8779-57d109acb5aa.png)
![screen shot 2013-07-31 at 3 58 14 pm](https://f.cloud.github.com/assets/4754931/890551/ce596d4a-fa37-11e2-9940-da36afdea75f.png)
![screen shot 2013-07-31 at 4 05 51 pm](https://f.cloud.github.com/assets/4754931/890552/ce593582-fa37-11e2-9580-1682a8c52f9e.png)