Merge pull request #230 from MGhanem/fix_migrations

Fix migrations
C3_SalmaFG_#77: Salma renamed a column in developers_projects and created a new table developer_projects
C3_SalmaFG_#77: Salma updated several tables
C3_SalmaFG_#77: Salma removed commas
Merge pull request #231 from MGhanem/C3_SalmaFG_S07_Mig

C3_SalmaFG_#77: Salma removed id from developers_projects and renamed columns to align with the current naming in the models
added current_developer & developer_signed_in?
migration to remove id column feom developers_keywords
Adding is_guest boolean column to gamer model
noha commited new migration
Merge pull request #233 from MGhanem/migration_remove_id_from_developers_keywords

migration to remove id column feom developers_keywords
[MIGRATION] changed typo in is_guest migration
commiting the migration
Added better errors
Merge pull request #235 from MGhanem/AddSharedProjects

noha commited new migration
[MIGRATION] Fixed typo again in is_guest migration
Merge pull request #234 from MGhanem/is_guest_to_gamer

Adding is_guest boolean column to gamer model
migration to add table authentications created (not authorizations)
Merge pull request #242 from MGhanem/migration_to_add_table_authorizations

migration to add table authentications (not authorizations)
khloud dropped table project_words
Merge pull request #243 from MGhanem/migration_dropping_project_words

khloud dropped table project_words