Fix boostbook tests for platform inconsistencies.

svn path=/trunk/tools/boostbook/; revision=84164
Fix doxygen test.

For some reason the script is no longer creating an empty cv attribute. Which
appears to be a harmless change.

svn path=/trunk/tools/boostbook/; revision=84165
Add doxygen tests for deleted and default functions. Refs #5480.

svn path=/trunk/tools/boostbook/; revision=84166