Added password field to DB connection and updated the install procedure using grunt

First patch as an intern at Red Hat to make bugzilla friendly.
- Adds missing documentation for usage of bower for the installation of bower_components in the app/ folder
- Adds documentation for users in case they run bower as root
- Modified the navbar content gearing up for changes and integration to red hat bugzilla
- Adds missing password setting for the databasee in the distribution environment ile.

Signed off by: Sudheesh Singanamalla <sudheesh1995@outlook.com>
Rather, links and texts on the page needs some changes.
Kate ain't gonna take care of this fork, so please put up my repo link.