Ajout des Model
Merge branch 'Joan' of https://github.com/Mugiwaranojo/QCMPlus into thomas
Ecrans gestion stagiaires + questionnaires
Merge branch 'thomas' of https://github.com/Mugiwaranojo/QCMPlus into mugiwara

Conflicts:
	.idea/workspace.xml
	QCMPlusAdmin/app/app.iml
	QCMPlusAdmin/app/build.gradle
	QCMPlusAdmin/app/src/main/AndroidManifest.xml
	QCMPlusAdmin/app/src/main/java/thomascorfield/fr/qcmplusadmin/Controllers/AdminActivity.java
	QCMPlusAdmin/app/src/main/java/thomascorfield/fr/qcmplusadmin/Controllers/MCQListActivity.java
	QCMPlusAdmin/app/src/main/java/thomascorfield/fr/qcmplusadmin/Controllers/UserListActivity.java
	QCMPlusAdmin/app/src/main/java/thomascorfield/fr/qcmplusadmin/Model/MCQ.java
	QCMPlusAdmin/app/src/main/res/layout/activity_admin.xml
	QCMPlusAdmin/app/src/main/res/layout/activity_mcq_list.xml
	QCMPlusAdmin/app/src/main/res/layout/activity_user_list.xml
	QCMPlusAdmin/app/src/main/res/layout/mcq_list_cell.xml
	QCMPlusAdmin/app/src/main/res/layout/user_list_cell.xml