Commented two lines that were preventing the "up" and "down" keys from work on firefox.

Got the idea from: https://github.com/twitter/bootstrap/pull/3644/files
Disable the autocomplete in the search input
typeahead: set focus back after click. from https://bugs.archlinux.org/task/32904
Add a :category property to the dashboard
Include the category to autocomplete the dashboard, and allow search to return several dashboards an list them with the index.erb
Merge pull request #1 from keymon/wip_search

Wip search