Disable the 'Comments ()' string if discussion is disabled on the given BlogEntry
Change document byline: Remove ModificationDate, add CreationDate, disable default byline for Anonym users.
Add Tests
Delete trailing spaces
Split into two test cases (logged in and anonymous)
Add assert_author_visibility method (tests are more readable)
General cleanup
Merge pull request #20 from 4teamwork/es-comments

Disable the 'Comments ()' string if discussion is disabled on the given BlogEntry