Merge pull request #2 from cravacuore/develop

First structure, and new model folder
Update Student.scala
Update Group.scala
Merge pull request #5 from cravacuore/develop

AcademicRecord (methods moved from Student) and ClassRoom added. Plus minor fixes.
Create FirstPartTest.scala
Create ThirdPartTest.scala
Update Activity.scala
Delete Seminary.scala
Delete Session.scala
Delete Talk.scala
Delete Project.scala
Merge pull request #6 from cravacuore/develop

First implementation for getSchedule + cleaner code.
Refactor the model of the first part
Cleaner code, first and third part finished with tests.