Added methods for adding properties to message under the condition
that a property with the same name does not yet exist.
Fixed issue with useCurrentOutDoc set and adding properties with
overlapping names using createProperty. Properties created with
createProperty have preference over the same properties in the current
outdoc. This adheres to logical and expected semantic behavior.
database login time-out set to 10s.
Merge branch 'master' of git@github.com:Dexels/navajo.git