Update README
Clean up README a little
Gonna have Objective-C nightmares tonight :(
Flesh out CSS/JS bundle loading info
Add subsections to Structure section

* Also add a Partials section
"Experienced" web developer instead of "competent"

* /cc @jessicard
Remove "If enough people complain" from README

* /cc @jessicard @fabianperez
Get rid of snark in JS placement suggestion

* /cc @jessicard @fabianperez
Don't say swears

/cc @fabianperez @jessicard
Mention vendored CSS/JS in README

* /cc @fabianperez
Add explanation of subdirectories to README

* /cc @jessicard @fabianperez
Merge pull request #9 from jakeboxer/readme

Make README good