Use Mesos 0.26.0 in Dockerfile.development
Use Mesos 0.26.0 in Dockerfile.development

vivekjuneja/marathon,titosand/marathon,guenter/marathon,vivekjuneja/marathon,Caerostris/marathon,Caerostris/marathon,meln1k/marathon,natemurthy/marathon,janisz/marathon,pgkelley4/marathon,meln1k/marathon,meln1k/marathon,ss75710541/marathon,mesosphere/marathon,gsantovena/marathon,guenter/marathon,timcharper/marathon,Caerostris/marathon,Caerostris/marathon,mesosphere/marathon,ss75710541/marathon,titosand/marathon,guenter/marathon,natemurthy/marathon,janisz/marathon,natemurthy/marathon,guenter/marathon,janisz/marathon,gsantovena/marathon,gsantovena/marathon,yp-engineering/marathon,mesosphere/marathon,yp-engineering/marathon,gsantovena/marathon,mesosphere/marathon,timcharper/marathon,pgkelley4/marathon,Caerostris/marathon,meln1k/marathon,janisz/marathon,guenter/marathon,meln1k/marathon,timcharper/marathon,gsantovena/marathon,vivekjuneja/marathon,ss75710541/marathon,mesosphere/marathon,janisz/marathon