checking in formatting changes for release on 2/13/2013
Merge pull request #968 from mollybostic/master_0207

moved Jenkins topic to tutorials directory
Merge pull request #969 from karthikaraman/2-7-2013_working

checking in formatting changes for release on 2/13/2013
Merge pull request #970 from mollybostic/master_0207

fixed validation error
correcting tag errors - for 2-13-2013 release
Merge pull request #971 from karthikaraman/2-8-2013_working

correcting tag errors - for 2-13-2013 release
multiple marketing bug fixes
Merge pull request #972 from pennij/working

multiple marketing bug fixes
adding link to free trial sign up with campaign ID