Bring back jquery.scrollspy.js.

Which was accidentally removed in commit e072a26f, thus breaking highlighting
of focused search results.

Signed-off-by: Anurag Priyam <anurag08priyam@gmail.com>
Updated to Bootstrap v3.2

Signed-off-by: Vivek Rai <vivekraiiitkgp@gmail.com>
BS3 upgrade.

TODO:
0. modal#spinner
1. modal#social
2. BLAST buttons
4. notification stutters
6. Use font-awesome. Remove jquery.activity.js.
7. Use min version of all files.
8. Insert JS at the end.

Signed-off-by: Anurag Priyam <anurag08priyam@gmail.com>