[Issue #193] Internationalization aqquired
[Issue #193] added links to change locale in the navbar
Merge branch 'master' of github.com:MGhanem/smartsoft-13 into C4_m0hamed_C5F2_switch_locales
[Issue #193] added translations for the navbar
created many to many relation table between gamer and prizes and gamer and trophies
added paperclip to gemfile and attachment migration to prizes and trophies
fixed typo in migration
Merge pull request #229 from MGhanem/adding_attachments_to_prizes_and_trophies

added paperclip to gemfile and attachment migration to prizes and trophies
Merge pull request #226 from MGhanem/prizes_trophies_gamer_m2m_migration

created many to many relation table between gamer and prizes and gamer and trophies
Removed column id from many to many table
Merge branch 'master' of github.com:MGhanem/smartsoft-13 into fix_migrations
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?
[Issue #193] Last chosen locale now stored in session to be retrieved later
migration to remove id column feom developers_keywords
Adding is_guest boolean column to gamer model