Don't define the DEBUG symbol in the Release Portable configuration of NodaTime.Test.
Don't define the DEBUG symbol in the Release Portable configuration of
NodaTime.Test.

BenJenkinson/nodatime,malcolmr/nodatime,zaccharles/nodatime,zaccharles/nodatime,malcolmr/nodatime,malcolmr/nodatime,jskeet/nodatime,zaccharles/nodatime,malcolmr/nodatime,nodatime/nodatime,zaccharles/nodatime,jskeet/nodatime,zaccharles/nodatime,BenJenkinson/nodatime,zaccharles/nodatime,nodatime/nodatime