fixup! ioc: combine registrars and detect QSRV1 #437

Job	Run time
Linux centos 7	5m 33s
Linux centos 7	5m 33s
Linux fedora latest	5m 44s
Linux fedora latest	5m 44s
Native Linux (WError)	6m 46s
Native Linux (WError)	6m 46s
Native Linux (libc++ debug)	7m 15s
Native Linux (libc++ debug)	7m 15s
Native Linux (c++17)	6m 31s
Native Linux (c++17)	6m 31s
Cross mingw64 DLL	12m 40s
Cross mingw64 DLL	12m 40s
Cross mingw64 static	11m 6s
Cross mingw64 static	11m 6s
RTEMS5	13m 32s
RTEMS5	13m 32s
Native Linux with clang	5m 11s
Native Linux with clang	5m 11s
Native Linux with libevent stable	5m 40s
Native Linux with libevent stable	5m 40s
Native Linux with 7.0.2	5m 59s
Native Linux with 7.0.2	5m 59s
Native Linux with 3.15	5m 20s
Native Linux with 3.15	5m 37s
Native Linux with 3.14	9m 32s
Native Linux with 3.14	9m 32s
OSX	5m 31s
OSX	5m 31s
vs2019 DLL	7m 56s
vs2019 DLL	7m 56s
vs2019 static	11m 53s
vs2019 static	11m 53s
	4h 12m 35s

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