Updated version and cleaned release note entries from RELEASE.txt. #4715

Job	Run time
Windows MSVC CMake REL TS	8m 6s
Windows MSVC CMake DBG TS	6m 14s
Windows MSVC CMake REL	17m 38s
Windows MSVC CMake DBG	21m 45s
Ubuntu gcc CMake REL TS	4m 37s
Ubuntu gcc CMake DBG TS	3m 35s
Ubuntu gcc CMake REL	9m 8s
Ubuntu gcc CMake DBG	8m 6s
Ubuntu gcc Autotools REL TS	5m 38s
Ubuntu gcc Autotools DBG TS	5m 8s
Ubuntu gcc Autotools REL	15m 58s
Ubuntu gcc Autotools DBG	18m 1s
Ubuntu gcc Autotools parallel (build only) REL TS	5m 38s
Ubuntu gcc Autotools parallel (build only) DBG TS	5m 26s
Ubuntu gcc Autotools parallel (build only) REL	7m 0s
Ubuntu gcc Autotools parallel (build only) DBG	6m 38s
MacOS Clang CMake REL TS	4m 18s
MacOS Clang CMake DBG TS	3m 4s
MacOS Clang CMake REL	7m 24s
MacOS Clang CMake DBG	9m 18s
Ubuntu gcc Autotools v1.6 default API (build only) DBG	8m 1s
Ubuntu gcc Autotools v1.8 default API (build only) DBG	7m 30s
Ubuntu gcc Autotools v1.10 default API (build only) DBG	9m 52s
Ubuntu gcc Autotools no deprecated symbols (build only) DBG	8m 9s
	3h 26m 12s

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