ivy parser accepts now demodulation, does not convert to paramod though

git-svn-id: http://gapt.googlecode.com/svn/trunk/source@1425 85d21ef8-add0-11de-ae77-5bfb9c5a3f34
A parser for a usual LK proof has been added. It will be used for the application of the usual
method CERES which is still not fully implemented in the GAPT system.






git-svn-id: http://gapt.googlecode.com/svn/trunk/source@1426 85d21ef8-add0-11de-ae77-5bfb9c5a3f34
a very simple test file




git-svn-id: http://gapt.googlecode.com/svn/trunk/source@1427 85d21ef8-add0-11de-ae77-5bfb9c5a3f34
Added a function to count the weak quantifiers separately. Changed the printing for some of the cut-introduction functions.

git-svn-id: http://gapt.googlecode.com/svn/trunk/source@1428 85d21ef8-add0-11de-ae77-5bfb9c5a3f34