Add Rails section and rule around use of render and return
Reword render and return rule per Topher's suggestions
Remove needless section inherited from github style guide.
Merge pull request #10 from airbnb/render-and-return

Add Rails section and rule around use of render and return
Merge pull request #16 from airbnb/stupidgithubstyleguide

Remove needless section inherited from github style guide.
Merge branch 'master' into functionargumentalignment

Conflicts:
	README.md
Remove a contentious example of function argument indenting