Also added generic deprecation warnings for other deprecated features.
…place of +desc+. A single line comment on the line prior to any task, file, etc definition will be used to populate that task's description (but only if no prior +desc+ was seen). # here is the description tasl :dave do ...
git-svn-id: svn+ssh://rubyforge.org/var/svn/rake/trunk@577 5af023f1-ac1a-0410-98d6-829a145c37ef