Update index.md
Update index.md

Added initial caps to the text for section headers. 

UBen, can you tell me how to make these into anchor links for when the tables gets longer?
johnwunder/johnwunder.github.io,STIXProject/stixproject.github.io,STIXProject/stixproject.github.io,johnwunder/johnwunder.github.io,STIXProject/stixproject.github.io,johnwunder/johnwunder.github.io,STIXProject/stixproject.github.io,jburns12/stixproject.github.io,johnwunder/johnwunder.github.io,jburns12/stixproject.github.io,jburns12/stixproject.github.io,jburns12/stixproject.github.io