Implement tool search

:fork_and_knife: Tools search can be toggled from anywhere in the application and tool search is toggled by default when in any tool related sections of the application.

![screen shot 2014-08-05 at 12 32 11 pm](https://cloud.githubusercontent.com/assets/316507/3814761/1ba77610-1cbe-11e4-9911-392e1f2e5598.png)