[issue #172][Updating] added UML
[issue #175][Updating] added UML
[issue #177][Updating] added UML
Merge branch 'word_management_theme' of http://github.com/MGhanem/smartsoft-13 into C4_mostafahassaan_C4S10_ListFollowedWords
Merge branch 'word_management_theme' of http://github.com/MGhanem/smartsoft-13 into C4_mostafahassaan_C4S09_UnfollowWord
Merge branch 'word_management_theme' of http://github.com/MGhanem/smartsoft-13 into C4_mostafahassaan_C4S08_FollowWord
Merge branch 'C4_mostafahassaan_C4S08_FollowWord' of http://github.com/MGhanem/smartsoft-13 into C4_mostafahassaan_C4S03_KeywordSynonymChart
Merge branch 'C4_mostafahassaan_C4S09_UnfollowWord' of http://github.com/MGhanem/smartsoft-13 into C4_mostafahassaan_C4S03_KeywordSynonymChart
Merge branch 'C4_mostafahassaan_C4S10_ListFollowedWords' of http://github.com/MGhanem/smartsoft-13 into C4_mostafahassaan_C4S03_KeywordSynonymChart
[issue #168]fixing UML