Modern UI Polish

Slight tweaks in a few of the images and parts of the CSS improve the
overall look of the UI and create an almost exact replica of the
current Apple Developer Documentation (August 2013)
Readme Cleanup

Readme maintenance includes formatting fixes, grammar and spelling
fixes, and in-text refrence links.
Readme Update
Minor Readme Corrections

Readme now points to master fork. Fixed spelling in XcodeIntegration.md
Merge pull request #390 from iRareMedia/master

Interface Polish and Readme Updates