Docs for dlopen'ing GSI libraries on demand. #4483
Clarify the new behavior of DAEMON_SOCKET_DIR. #4465
Minor fix-ups for improved use of shared port. #3813

Most noteably, the default shared port id on windoes for the collector
was _<master pid> instead of collector_<master pid>.
document last detail of disabling the use of this new configuration file
 #3158
exceptionally minor 8.3.1 version history item edit.  #4483
Merge branch 'V8_3_1-branch' of /p/condor/repository/CONDOR_SRC into V8_3_1-branch
Merge branch 'V8_3_1-branch'