Rename the missing document source exceptions.
Break the transform into two, one for metadata and the other for the content body.
Rename and cleanup
Adds abstract to html conversion. Fixes #155
Fixes the testing data by adding an empty abstract.
Search and highlight on the html abstract. #155
Fixes tests where space replaces an html tag.
Fixes the tests to work around the inability to depend on namespace ordering.
Merge pull request #164 from Connexions/issue-155

Abstracts as HTML