add more info to hosting section; consistent formatting
add myself to contributors
more links and formatting
start adding qa section
add section on email
add source for "largest and most widely used"
add xkcd comic to hosting
format security and add some stuff
formatting in tools section
add cocoa rest client to architecture section
Merge pull request #4 from kengoldfarb/master

More stuff
updating the summary
inital mobile links
mobile prototyping
fixing *aaS descriptions