Replaced word clouds text clean-up, formatting

replaced word clouds w/ uniform formatted clouds and color scheme that
increased visibility. replaced text on info page to make the World Cup
tournament description more precise. Changed formatting slider.
minor fixes
fixed alignment on info page
update images file alignment search name issue

replaced images, resolved search conflicting reference to on_data,minor
fixes to css
added links removed old links and margin format

added icon main section links to icons
fixed margin of bracket (info page)
removed placeholder links on the word cloud
title change and rm apostrophes in 1st para
Nikhita's Sentiment Analysis Section

Added Nikhitas Sentiment Analysis section along with her Search
directions formatting.
Sentiment Analysis Added
Added match viz