Merge pull request #54 from chdemko/master

Adding uml graph for ImplicationalSystem
Correction of makeRightMaximal

Correct some minor bug in ImplicationalSystem.makeRightMaximal
Add test for the previous method
Update ChangeLog
Note : BijectiveComponentTest.testsave is not Windows compliant
Merge pull request #56 from JeanFrancoisViaud/master

Correction of makeRightMaximal
Finish UML graphs
Merge branch 'master' of github.com:kbertet/java-lattices