Rename README.rdoc to README.md
Update README.md
Update README.md
Added mailing, delayed jobs, user task list links, ckeditor, asset uploading and much more.
Merge remote-tracking branch 'origin/master' into kj/convert_to_rails

Conflicts:
	README.md
Merge remote-tracking branch 'origin/kj/convert_to_rails' into kj/convert_to_rails

Conflicts:
	README.md