Minor bug fix in libprocess, as well as moving some assert statements over to CHECK from glog.
Minor bug fix in libprocess, as well as moving some assert statements over to CHECK from glog.

git-svn-id: 03d7800a49d8905ef4fbcc296184319e19243493@1132310 13f79535-47bb-0310-9956-ffa450edef68

zmalik/mesos,woggle/mesos-old,gsantovena/mesos,andschwa/mesos,asamerh4/mesos,asamerh4/mesos,woggle/mesos-old,verizonlabs/mesos,reneploetz/mesos,zmalik/mesos,craimbert/mesos,reneploetz/mesos,pwendell/mesos,gsantovena/mesos,asamerh4/mesos,craimbert/mesos,gsantovena/mesos,yuquanshan/customizedMesos,andschwa/mesos,pwendell/mesos,reneploetz/mesos,asamerh4/mesos,charlescearl/VirtualMesos,kaysoky/mesos,verizonlabs/mesos,Gilbert88/mesos,asamerh4/mesos,wickman/mesos,asamerh4/mesos,neilconway/mesos,abudnik/mesos,Aman-Jain-14/customizedMesos,pwendell/mesos,craimbert/mesos,wickman/mesos,charlescearl/VirtualMesos,asamerh4/mesos,enachb/mesos,Aman-Jain-14/customizedMesos,yuquanshan/customizedMesos,verizonlabs/mesos,wickman/mesos,jpeach/mesos,abudnik/mesos,reneploetz/mesos,pwendell/mesos,zmalik/mesos,woggle/mesos-old,dforsyth/mesos,neilconway/mesos,samwhitlock/mesos-monitoring,enachb/mesos,craimbert/mesos,enachb/mesos,wickman/mesos,chhsia0/mesos,dforsyth/mesos,enachb/mesos,Aman-Jain-14/customizedMesos,charlescearl/VirtualMesos,yuquanshan/customizedMesos,verizonlabs/mesos,craimbert/mesos,kaysoky/mesos,neilconway/mesos,Gilbert88/mesos,woggle/mesos-old,Aman-Jain-14/customizedMesos,craimbert/mesos,kaysoky/mesos,yuquanshan/customizedMesos,chhsia0/mesos,chhsia0/mesos,reneploetz/mesos,chhsia0/mesos,andschwa/mesos,woggle/mesos-old,charlescearl/VirtualMesos,abudnik/mesos,enachb/mesos,samwhitlock/mesos-monitoring,charlescearl/VirtualMesos,woggle/mesos-old,samwhitlock/mesos-monitoring,charlescearl/VirtualMesos,Aman-Jain-14/customizedMesos,dforsyth/mesos,pwendell/mesos,jpeach/mesos,zmalik/mesos,Gilbert88/mesos,verizonlabs/mesos,gsantovena/mesos,neilconway/mesos,samwhitlock/mesos-monitoring,pwendell/mesos,abudnik/mesos,charlescearl/VirtualMesos,Gilbert88/mesos,kaysoky/mesos,kaysoky/mesos,wickman/mesos,abudnik/mesos,andschwa/mesos,dforsyth/mesos,dforsyth/mesos,kaysoky/mesos,Gilbert88/mesos,Aman-Jain-14/customizedMesos,abudnik/mesos,samwhitlock/mesos-monitoring,kaysoky/mesos,jpeach/mesos,woggle/mesos-old,pwendell/mesos,Gilbert88/mesos,jpeach/mesos,wickman/mesos,enachb/mesos,enachb/mesos,gsantovena/mesos,craimbert/mesos,jpeach/mesos,zmalik/mesos,chhsia0/mesos,gsantovena/mesos,jpeach/mesos,pwendell/mesos,wickman/mesos,charlescearl/VirtualMesos,charlescearl/VirtualMesos,jpeach/mesos,zmalik/mesos,woggle/mesos-old,yuquanshan/customizedMesos,andschwa/mesos,andschwa/mesos,yuquanshan/customizedMesos,reneploetz/mesos,chhsia0/mesos,neilconway/mesos,dforsyth/mesos,dforsyth/mesos,gsantovena/mesos,zmalik/mesos,Gilbert88/mesos,andschwa/mesos,reneploetz/mesos,Aman-Jain-14/customizedMesos,neilconway/mesos,verizonlabs/mesos,verizonlabs/mesos,woggle/mesos-old,samwhitlock/mesos-monitoring,abudnik/mesos,yuquanshan/customizedMesos,pwendell/mesos,neilconway/mesos,chhsia0/mesos