Merge branch 'ConformanceTestYilunChong' of github.com:BSBandme/protobuf into ConformanceTestYilunChong

* Add json encode/decode for php.

* Fix php conformance test on 32-bit machines.

* Fix conformance test for c extension.

* Fix comments

Add initialized as a reserved keyword as that's the actual property name

* Add scripts to build python wheel for linux.
Followed PEP513.

* Fix dist check for new added files.

* Update README for usage example.

* adds PHPDoc @return and @param for getters and setters respectively

* addresses changes in PR review

* adds documentation tests

* Update php_generator:

- Prepend \ to names where required
- Remove <pre> tags
- Update protobuf field comments

* Updates class files with the protobuf changes

* Addresses review comments

* removes Protobuf Type line from PHP generated classes

* fixes phpdoc test

* adds array types to phpdoc

Workaround the docker bug when compiling artifacts

Enusre public header and generated code have no implicit converion.

C++: Do not forward-declare dependencies in generated .h files

Updated links to use https

Howdy!

I just updated some links to use https instead of http.

Thanks! ^ _ ^

If we fail to get a descriptor just super the method resolving.