removed instance elimination from prover9 proof loading, added escaping to the goat example in cli that we can make screenshots. use prooftool(goat.lkproof) to display the goat example

git-svn-id: http://gapt.googlecode.com/svn/trunk/source@1378 85d21ef8-add0-11de-ae77-5bfb9c5a3f34