added signout view
added squence diagram to UML folder
Pulled master and fixed conflicts
Pulled master, fixed conflicts
Merge branch 'master' of https://github.com/MGhanem/smartsoft-13 into c1_zoheiry_c1s9_signout
Merge pull request #152 from MGhanem/c1_zoheiry_c1s9_signout

 C1 zoheiry c1s9 signout