Fixed a mistaken link at the top of both class-based-views docs, and a "content" vs. "context" typo in the topic guide. Thanks to SmileyChris and robhudson for the reports.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@14268 bcc190cf-cafb-0310-a4f2-bffc1f526a37