Added required field 'user' to DEFAULT_FRAMEWORK_INFO.
Added required field 'user' to DEFAULT_FRAMEWORK_INFO.

Review: https://reviews.apache.org/r/36624

neilconway/mesos,craimbert/mesos,chhsia0/mesos,abudnik/mesos,verizonlabs/mesos,craimbert/mesos,andschwa/mesos,craimbert/mesos,verizonlabs/mesos,kaysoky/mesos,dforsyth/mesos,jpeach/mesos,gsantovena/mesos,zmalik/mesos,jpeach/mesos,craimbert/mesos,neilconway/mesos,yuquanshan/customizedMesos,neilconway/mesos,abudnik/mesos,abudnik/mesos,asamerh4/mesos,dforsyth/mesos,reneploetz/mesos,zmalik/mesos,chhsia0/mesos,yuquanshan/customizedMesos,chhsia0/mesos,yuquanshan/customizedMesos,Gilbert88/mesos,gsantovena/mesos,kaysoky/mesos,zmalik/mesos,asamerh4/mesos,yuquanshan/customizedMesos,reneploetz/mesos,kaysoky/mesos,asamerh4/mesos,verizonlabs/mesos,chhsia0/mesos,verizonlabs/mesos,dforsyth/mesos,dforsyth/mesos,zmalik/mesos,jpeach/mesos,gsantovena/mesos,jpeach/mesos,chhsia0/mesos,kaysoky/mesos,Aman-Jain-14/customizedMesos,Gilbert88/mesos,asamerh4/mesos,neilconway/mesos,reneploetz/mesos,andschwa/mesos,chhsia0/mesos,jpeach/mesos,Gilbert88/mesos,abudnik/mesos,andschwa/mesos,Gilbert88/mesos,Aman-Jain-14/customizedMesos,craimbert/mesos,verizonlabs/mesos,gsantovena/mesos,asamerh4/mesos,andschwa/mesos,Gilbert88/mesos,gsantovena/mesos,andschwa/mesos,kaysoky/mesos,reneploetz/mesos,dforsyth/mesos,reneploetz/mesos,Aman-Jain-14/customizedMesos,craimbert/mesos,asamerh4/mesos,neilconway/mesos,verizonlabs/mesos,abudnik/mesos,zmalik/mesos,Gilbert88/mesos,Aman-Jain-14/customizedMesos,yuquanshan/customizedMesos,abudnik/mesos,gsantovena/mesos,abudnik/mesos,reneploetz/mesos,Aman-Jain-14/customizedMesos,gsantovena/mesos,zmalik/mesos,andschwa/mesos,reneploetz/mesos,kaysoky/mesos,andschwa/mesos,craimbert/mesos,Aman-Jain-14/customizedMesos,neilconway/mesos,dforsyth/mesos,neilconway/mesos,jpeach/mesos,kaysoky/mesos,yuquanshan/customizedMesos,dforsyth/mesos,verizonlabs/mesos,Gilbert88/mesos,jpeach/mesos,Aman-Jain-14/customizedMesos,zmalik/mesos,chhsia0/mesos,asamerh4/mesos,yuquanshan/customizedMesos