Check that level is included in the list of valid values
Auto-populate level from request
Merge branch 'refs/heads/master' into feature-check-levels

Conflicts:
	features/signup.feature
Restore badly merged feature improvement
Restore more changes from merge
conjunction change in feature
Merge branch 'refs/heads/master' into feature-check-levels

Conflicts:
	features/signup.feature
Include just the four member types in validation
Merge branch 'refs/heads/master' into feature-check-levels
Merge pull request #10 from theodi/feature-check-levels

Check levels are valid, and auto-populate from request