Put current user first for "welcomed by teacher"
Merge branch 'master' of https://github.com/glucazeau/Virgule

Conflicts:
	src/Virgule/Bundle/MainBundle/Entity/Country.php
Display day of week and format info box
Change sorting order
Add hint for birthdate picker
Don't load the students if there is no class
Load last semester if no current found
Set new semester as current when creating a new one
replace private with protected for classes cloning