Criando modelo de Missao
Create Mission Controller
Create views for mission
Create class of testing missions
Add validations and association : one user has many missions and one mission belogs to users
 Add new attribute for User, experience
Add  foreing_key user_id in mission.rb
Fixing bug in devise-ptBr.yml
Seek  the user  who performed the mission
Merge branch 'master' into Missions

Conflicts:
	Gemfile.lock
	app/controllers/missions_controller.rb
	app/models/mission.rb
	app/views/missions/_form.html.erb
Merge branch 'Missions'