merge

src/main/java/de/stups/probkodkod/KodkodAnalysis.java

src/main/java/de/stups/probkodkod/KodkodSession.java

src/main/java/de/stups/probkodkod/SATSolver.java

src/main/resources/problem.grammar

src/test/resources/problems/functions.kodkod

src/test/resources/problems/integercast.kodkod

src/test/resources/problems/integers.kodkod

src/test/resources/problems/intrange.kodkod

src/test/resources/problems/intvar.kodkod

src/test/resources/problems/loop.kodkod

src/test/resources/problems/negative.kodkod

src/test/resources/problems/projection.kodkod

src/test/resources/problems/relquant.kodkod

src/test/resources/problems/returnzero.kodkod

src/test/resources/problems/sendmoremoney.kodkod

src/test/resources/problems/simpletwovars.kodkod