Stage entity
stage form
add build options
Merge branch 'origin/master'

Conflicts:
	behat.yml
	build.xml
	src/Bpaulin/UpfitBundle/Features/access.feature
save
stages management
corrections
refactor exercises test
refactor programs test
add php mess detector to build
add phpmd to check
add test base and phing commands
adapt check to test base