NMO: Change domain of nmo:isAnswered from nmo:Email to nmo:Message
NMO: Change domain of nmo:isAnswered from nmo:Email to nmo:Message

nmo:isAnswered will be used for phone calls as well.

outofbits/tracker,outofbits/tracker,outofbits/tracker,outofbits/tracker,hoheinzollern/tracker,outofbits/tracker,hoheinzollern/tracker,hoheinzollern/tracker,outofbits/tracker,hoheinzollern/tracker,outofbits/tracker,hoheinzollern/tracker,hoheinzollern/tracker,hoheinzollern/tracker