Merge pull request #97 from MGhanem/project_skeleton

Project skeleton
Set the default value of the keyword.approved to false
fixed the wrong method
Merge pull request #100 from MGhanem/migration_add_default_value_to_unapproved_keywords

Set the default value of the keyword.approved to false
Adding migrations of add devise gem to the Gamer and modifing the gamer migration
updating the create_gamer migration
fixing creating table to changing table in create_gamer migration
Merge pull request #103 from MGhanem/Kareem_devise_Migrations

Kareem devise migrations
change change_table to create_table
Merge pull request #106 from MGhanem/change_migration_gamer

change change_table to create_table
Salma added a migration
Salma added mig
Merge branch 'master' of https://github.com/MGhanem/smartsoft-13 into C3_SalmaFG_S07
Merge pull request #107 from MGhanem/C3_SalmaFG_S07

Salma added a migration to add a column to table Projects
Merge branch 'master' of https://github.com/MGhanem/smartsoft-13 into C2_Mirna-Yacout_C4F5_recordApprovalOfASynonym
implementation and documentation added
validations not done yet