Update README.md

... to match readme.markdown
Update README.md

removed note about Reachability.
Changed from absolute framework path (/Users/ben/Development/iPhone/...) to relative ($(SRCROOT)/...)

Also cleaned up a syntax warning
Merge commit '312a906ea3aa06cf89526012aca320e8b16e9509' into Askren

* commit '312a906ea3aa06cf89526012aca320e8b16e9509':
  Changed from absolute framework path (/Users/ben/Development/iPhone/...) to relative ($(SRCROOT)/...)
  Update README.md
  Update README.md