PROTON-2442, PROTON-2506: set version for 0.37.0-rc2
PROTON-2442, PROTON-2506: set version for 0.37.0-rc2

This reverts commit 10519f500baf03d4653aaea58a888b8857576657.

gemmellr/qpid-proton,apache/qpid-proton,astitcher/qpid-proton,astitcher/qpid-proton,gemmellr/qpid-proton,gemmellr/qpid-proton,apache/qpid-proton,astitcher/qpid-proton,astitcher/qpid-proton,apache/qpid-proton,astitcher/qpid-proton,gemmellr/qpid-proton,apache/qpid-proton,gemmellr/qpid-proton,apache/qpid-proton,apache/qpid-proton,gemmellr/qpid-proton,astitcher/qpid-proton