show debug message when access is denied, to easier find out what the controller name is to add to the configuration file, if so desired
fix signup access

Conflicts:
	lib/foodsoft_signup/lib/foodsoft_signup/hooks.rb
Re-indent code blocks according to markdown syntax.
make simple_form see that first_name is required
Merge branch 'master' into plugin-signup
fix signup page submission
Merge branch 'plugin-signup' into foodcoop-adam-new