[PATCH] set node version to 6.10 on travis
[PATCH] set node version to 6.10 on travis

petrjasek/superdesk-ntb,superdesk/superdesk-ntb,petrjasek/superdesk-ntb,petrjasek/superdesk-ntb,superdesk/superdesk-ntb,petrjasek/superdesk-ntb,ioanpocol/superdesk-ntb,ioanpocol/superdesk-ntb,superdesk/superdesk-ntb,superdesk/superdesk-ntb,ioanpocol/superdesk-ntb