+ Check for awk and groff.
+ Only build documentation if groff was found.
* debian/rules:
+ Move .ps documentation to the elkdoc package.
* doc/*:
+ Removed *.ps files from CVS.
+ Added proper build rules for *.ps files.
git-svn-id: svn://svn.zoy.org/elk/trunk@143 55e467fa-43c5-0310-a8a2-de718669efc6