Added Unit Tests for Julian Day Number Functions
Added Unit Tests for Julian Day Number Functions

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