add teams module
add projects module
remove the calendar_type_id comlumn from employees
add calendar type column in projects
add team id column in projects
add admin column in projects and leader column in teams
add teams and admin  foreing key in projects
midified menu to show teams and projects
add icons to teams and projects in top menu
add bootstrap clases in projects html.haml files
modified the migration to fix the foreing keys in project and team
add route for get the admin params
modified the permit variables in team and project controllers
add team column in employees(belongs to teams)
add new require variable team
integrate teams and project with employees
fix routes
fix birthdate and days off dates query
fix dates
add validates in teams and projects