prevent adding question with no answers
prevent adding question with no answers

shirlei/helios-server,pirati-cz/helios-server,shirlei/helios-server,pirati-cz/helios-server,benadida/helios-server,benadida/helios-server,shirlei/helios-server,benadida/helios-server,stanley89/helios-server,pirati-cz/helios-server,shirlei/helios-server,pirati-cz/helios-server,stanley89/helios-server,benadida/helios-server,benadida/helios-server,pirati-cz/helios-server,stanley89/helios-server,stanley89/helios-server,stanley89/helios-server,shirlei/helios-server