Merge pull request #17 from PlumLabs/sc/notes_of_the_exams

Add tabs in subjects
add view,controller and route to project
change type column of TypeExam, and configure paginate
change type hours exam
add new exam
Merge pull request #18 from PlumLabs/ra/addExam

Ra/add exam
Add create notes of the exam in report card
Add notes of the exam to views of subject