This updates the support for generating epub docs to EPUB3. Using the
EPUB3 stylesheets allows the removal of ruby and other tool checks from
configure, and generates a much better documentation file.
tested x86/linux
-benjamin2012-01-17 Benjamin Kosnik
* configure.ac (BUILD_EPUB): Adj
Fix for image directory location. The generated epub is ok, but missing
images. There's another tool that may be used to generate epubs, called
db2epub.py, but it isn't cooperating. So we will stick with the status
quo for now.
-benjamin2011-09-21 Benjamin Kosnik ${manual_xml};
$(XMLLINT) $(
