grpc build treates them as errors and such issues (protobuf change
breaks grpc) has been reported repeatedly. For example:
  https://github.com/google/protobuf/issues/1813

Change-Id: I077c4557cf3effd5195f88802c38999b884edc30

Change-Id: I56a6cce613462794f172ff2e62b25d8a9fc162f3

1. Add missing header file to Makefile.am.
2. Re-generate objectivec generated code for well-known types.

Change-Id: If28217c701cf8bd739ea0db240e9eee600f23ee7

proto3.

Added a couple unit test proto3 files, for arena_lite and lite. Cloned
the proto3_arena_unittest to test some of the basics of generated code
(and to ensure that the generated proto3 test files are used by some
test).

* `csharp_options`: Added `Options` to encapsulate generator options.
   Supported options for now - file_extension, base_namespace
* `{Blah}Generator`: Now accept `Options*` as parameter to constructor
* `csharp_generator.cc`: Parse and populate options
* `Makefile.am`: Added `csharp_options.h`
* `extract_includes.bat.in`: Added `csharp_options.h`

Refactoring code to two commits. This is the first commit

Java files are moved to un-do the hack in the prevous commit, which
moved the java files to the original position for integration.

Also delete some unused files.

This changes csharp_names.h, which will require a corresponding change in GRPC.

This could be tidied up significantly, and at some point we will want to parse the markdown and generate more appropriate XML - but this is definitely better than nothing.

Generated code changes coming in next commit.

When trying to compile the protobuf code as a DLL, and then compile other DLLs
with generated .pb.cc/h files that reference
InternalMetadataWithArena::InternalMetadataWithArena(Arena*), MSVC gives an
"unresolved external symbol" error.  This seems to be due to the function being
simultaneously exported and inline.  Moving it out-of-line fixes things.

There are other functions exported and inline as well but de-inlining them
doesn't seem to be necessary to get the build working, and I'd rather de-inline
as few functions as possible.

Change-Id: Ieb7a2c2fbf35bc2a8fa65b915a5ecb68c83863e4

Change-Id: Ifbc415755266ba3d0ffa5661fcd7c7d2e3b32a22

Install google/protobuf/stubs/status.h, and google/protobuf/stubs/stringpiece.h -- these are required in order to include google/protobuf/util/type_resolver.h.

Install google/protobuf/stubs/bytestream.h -- this is required in order to include google/protobuf/util/json_util.h.

More tests required. Generated code in next commit.

Now the Build tool needs to define -DHAVE_ZLIB and -DHAVE-PTHREAD rather
than providing a config.h

- Make pbconfig.h a manually written file to handle hash conditions
  according to platform related macros.
- Remove #include "config.h" from source code.
- Changed the configure.ac and Makefile.am to pass down the macros.
- Change cmake to pass down the the macros.

Change-Id: I537249d5df8fdeba189706aec436d1ab1104a4dc

[ci skip]

Change-Id: I9391c09640e0b0b2b21c45a97a1fc91814d95c5d

Change-Id: I31ead985b4ac5b02fb7558d34c1da19fd837b50a

Escape characters don't count for string literal size, no need to pre-generate escape string.

Added unit test to touch enormous cpp generated descriptor.

Updated makefile to include enormous_descriptor.proto

Fixed language compatibility error.

- Add more to the ObjC dir readme.
- Merge the ExtensionField and ExtensionDescriptor to reduce overhead.
- Fix an initialization race.
- Clean up the Xcode schemes.
- Remove the class/enum filter.
- Remove some forced inline that were bloating things without proof of performance wins.
- Rename some internal types to avoid conflicts with the well know types protos.
- Drop the use of ApplyFunctions to the compiler/optimizer can do what it wants.
- Better document some possible future improvements.
- Add missing support for parsing repeated primitive fields in packed or unpacked forms.
- Improve -hash.
- Add *Count for repeated and map<> fields to avoid auto create when checking for them being set.

Copy two data files from ruby/tests to src/google/compiler/ruby. Tests in src/google/compiler/ruby depend on these two files, but they were missed in language distributions other than ruby

Change-Id: I23dee1c1d27b6440658680e9c273b6250213123c

This fixes the problem where `make check` generates files not ignored
by `.gitignore`.