Textual changes

Harleen suggested some copy changes - I added them, plus one of my own.
Clean up the title arrangement

Because it looks better.  GET IT MOTHERFUCKAS!
Better Data, Better Progress

Here are the real datafiles used to make the CartoDB maps.  I also
deleted the old incorrect ones.
Changed link to zip file

Updated link.
A few textual edits

App and such edits.
A few renames

Renames of a few different files.
Update index.html
Merge pull request #7 from 3vivekb/master

Data files update, language updates, minor title style update