* branch 2.1.10-pre2+parallel-get-hit-strings: re-factored branch server hit-string retrieval
- CDDCBranchServer::GetHitContexts() now constructs and sends all get_hit_strings requests before reading any
- CDDCBranchServer::ReadHitStringsFromOneCorpus() now just receives and parses responses (formerly GetHitStringsFromOneCorpus)