Code, style and content cleanups

Clean up code by @sudheesh001. Fixed html and css for columns below
carousel.

Signed-off-by: Kaustav Das Modak <kaustav.dasmodak@yahoo.co.in>
Update jquery and create initial feedreader script

Signed-off-by: Kaustav Das Modak <kaustav.dasmodak@yahoo.co.in>
Make slogan small-caps and capitalize

Signed-off-by: Kaustav Das Modak <kaustav.dasmodak@yahoo.co.in>
Change middle column links to blog, wiki and devs

Signed-off-by: Kaustav Das Modak <kaustav.dasmodak@yahoo.co.in>
Change slogan of mailing list

Signed-off-by: Kaustav Das Modak <kaustav.dasmodak@yahoo.co.in>
Remove en-US locale from links to mozilla.org

Signed-off-by: Kaustav Das Modak <kaustav.dasmodak@yahoo.co.in>
Remove feedreader script

Signed-off-by: Kaustav Das Modak <kaustav.dasmodak@yahoo.co.in>
Modify footer text and style

Signed-off-by: Kaustav Das Modak <kaustav.dasmodak@yahoo.co.in>
Merge pull request #5 from kaustavdm/feedback_debloper

Code cleenups & pulling contents together