- Add an Xcode 6.3 created default iOS Project.
- Add an Xcode 6.3 created default OS X Project.
- Add Podfiles to for both that use Protobufs from within the tree.
- Add a script to run the tests (and cleanup) to help confirm the state of the
  Protobuf.podspec and sources.

Update changes for lite

Remove the comments about iterator validation

As it may be implementation dependent.

Update changelogs for C++ maps

Added release notes for Ruby and JavaScript.

Bridge vs2008 hashmaps.

python changes

Beta 3

Initial draft for changelog.

Update version numbers for beta3

Fix the command line interface unittest again

This time move the macro inside namespaces; hopefully will work with the
integration script.

Fix protoc build artifact script.

pbconfig.h has gone. This commit removes the target.

Declare an init and avoid passing NULL to initWithValue:count:

Fixes https://github.com/google/protobuf/issues/1189

Build cleanup

Remove accidentally restored deleted files.

Fix the std::string error introduced in integration.

updated README

Updated README.md

- Fixes up `make distclean` and `make maintainer-clean`
- Fixes the build so make is more likely to notice if one of those files is stale/missing.

Added relative link to cmake guide.