Added developers tab to the nav bar

 The developers tab points to the projects index page currently
Merge branch 'rolling_master' of github.com:MGhanem/smartsoft-13 into rolling_master

Conflicts:
	arability/config/locales/ar.yml
	arability/config/locales/en.yml
	arability/config/routes.rb
[MC] Fixed merge conflicts in projects controller
Merge branch 'rolling_master' of github.com:MGhanem/smartsoft-13 into rolling_master

Conflicts:
	arability/config/locales/ar.yml