Rejiggle readme
Tweak spacing / headings
minor tweaks
remove safari jQuery line (file no longer lives there)
Mention tests & ie folders + build scripts such as makelinks.sh & grunt etc
Attempt to fix odd spacing
spacing fix
use ` on file names so they stand out more
Apply to all (`'s)
Merge pull request #785 from thybag/feature/update-readme

Update readme