Merge pull request #1173 from nicolasnoble/vs2010

templates/vsprojects/vs2010/Grpc.mak.template

templates/vsprojects/vs2010/gpr.vcxproj.filters.template

templates/vsprojects/vs2010/gpr.vcxproj.template

templates/vsprojects/vs2010/gpr_test_util.vcxproj.template

templates/vsprojects/vs2010/grpc++.vcxproj.filters.template

templates/vsprojects/vs2010/grpc++.vcxproj.template

templates/vsprojects/vs2010/grpc.sln.template

templates/vsprojects/vs2010/grpc.vcxproj.filters.template

templates/vsprojects/vs2010/grpc.vcxproj.template

templates/vsprojects/vs2010/grpc_csharp_ext.vcxproj.template

...vsprojects/vs2010/grpc_csharp_ext_shared.vcxproj.template

templates/vsprojects/vs2010/grpc_test_util.vcxproj.template

.../vsprojects/vs2010/grpc_unsecure.vcxproj.filters.template

templates/vsprojects/vs2010/grpc_unsecure.vcxproj.template

templates/vsprojects/vs2010/vcxproj.filters_defs.include

templates/vsprojects/vs2010/vcxproj_defs.include

templates/vsprojects/vs2013/grpc_shared.vcxproj.template

test/core/end2end/gen_build_json.py

tools/buildgen/build-cleaner.py

tools/buildgen/mako_renderer.py