[issue #168] fixed UML
[issue #172] fixed UML
Merge branch 'C4_mostafahassaan_C4S09_UnfollowWord' of http://github.com/MGhanem/smartsoft-13 into C4_mostafahassaan_C4S08_FollowWord
[issue #172] fixing indentation
Merge branch 'word_management_theme' of http://github.com/MGhanem/smartsoft-13 into C4_mostafahassaan_C4S08_FollowWord