Merge pull request protocolbuffers#3642 from pherl/3.4.x

Bump version for minor release

Merge pull request protocolbuffers#3495 from pherl/c++11

Add std::forward and std::move autoconf check

Merge pull request protocolbuffers#3485 from pherl/mingw

Fix build on MinGW32

Make code free of missing-field-initializers warnings

Merge pull request protocolbuffers#3461 from TeBoring/3.4.x

Merge master into 3.4.x

Merge pull request protocolbuffers#3258 from TeBoring/3.3.x

Update version number to 3.3.2

Protocol Buffers v3.3.1

Protocol Buffers v3.3.0

Protocol Buffers v3.3.0rc1

Update version number in podspec to 3.2.1