[fixes #340] Adding Code of Conduct URL field.
[fixes #340] Adding Code of Conduct URL field.
Merge branch 'code-of-conduct' of github.com:ycombinator/developer.rackspace.com into code-of-conduct

Conflicts:
	src/site_source/community/index.html
Oops, removing dupe.
Process code of conduct URL field.
Missed a spot - field should be repopulated upon error.
Merge pull request #386 from ycombinator/code-of-conduct

Code of conduct field in sponsorship form