Release v6.1.0 #1549

Job	Run time
ASAN	6m 43s
Bazel	6m 33s
Test Big Endian	9m 13s
UBSAN	7m 46s
macOS	14m 42s
Ubuntu 18.04 (Build: Debug, Compilers: gcc-6/g++-6, Shared Library: true)	10m 19s
Windows 2019 (Generator: MinGW Makefiles, Shared Library: true)	18m 12s
Ubuntu 18.04 (Build: Debug, Compilers: clang-6.0/clang++-6.0, Shared Library: true)	9m 12s
Windows 2019 (Generator: MinGW Makefiles, Shared Library: false)	18m 54s
Ubuntu 18.04 (Build: Debug, Compilers: clang-6.0/clang++-6.0, Shared Library: false)	9m 8s
Windows 2019 (Generator: Visual Studio 16 2019, Shared Library: true)	9m 1s
Ubuntu 18.04 (Build: Release, Compilers: gcc-6/g++-6, Shared Library: true)	14m 40s
Windows 2019 (Generator: Visual Studio 16 2019, Shared Library: false)	9m 36s
Ubuntu 18.04 (Build: Release, Compilers: gcc-6/g++-6, Shared Library: false)	14m 58s
Ubuntu 18.04 (Build: Release, Compilers: clang-6.0/clang++-6.0, Shared Library: true)	13m 46s
Ubuntu 18.04 (Build: Release, Compilers: clang-6.0/clang++-6.0, Shared Library: false)	13m 28s
	3h 6m 11s

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