Update requirements to maruku 0.7
Remove extraneous newlines from XHTML output
Fix tests to expect maruku 0.7 output
Refactor post and draft object creation

De-duplicate object creation between posts and drafts. Inject the name
dependency through a parameter
Modifying enumerator for 1.8.7
Merge pull request #1775 from Ivoz/maruku

Update to maruku 0.7
Merge pull request #1779 from mojombo/no-duplication

Refactor post and draft object creation
Update history to reflect merge of #1779