integrated stefan's comments on the ntape proof into a new version. bugfix in hol.Function.unapply 

git-svn-id: http://gapt.googlecode.com/svn/trunk/source@2361 85d21ef8-add0-11de-ae77-5bfb9c5a3f34
Commented out the unary equation rules.


git-svn-id: http://gapt.googlecode.com/svn/trunk/source@2362 85d21ef8-add0-11de-ae77-5bfb9c5a3f34