I added an undo and redo png for future development, I am currently
researching the feature to implement it soon
Merge branch 'master' of https://github.com/oRANGE-CSCITeam/UML-Editor-It-2.git
Merge branch 'master' of https://github.com/oRANGE-CSCITeam/UML-Editor-It-2.git
Merge branch 'master' of https://github.com/oRANGE-CSCITeam/UML-Editor-It-2.git
Merge branch 'master' of https://github.com/oRANGE-CSCITeam/UML-Editor-It-2.git
Undo should be working noww YAYYYY