fix node ID return from domain server
remove extra plus in AvatarData parseData
sensible default for checkInPacketSize
add a missing letter, use else-if in voxel-server
refactor ping packet sending to push past version byte
avoid static variable thread issue by switching to member variables
correct use of member variables for DS check in
Merge pull request #653 from birarda/master

refactor sendDomainServerCheckIn to avoid static variable threading issue