Tested: on Linux.

Change-Id: I8f7bccf9b1ad87fea788f85e23fa69435758feca

Implement code generation and self-contained runtime library for Python.

The test suite verifies:
  - Correctness of generated Python code by comparing output to that of
    the other language ports.
  - The exact bytes in the Builder buffer during many scenarios.
  - Vtable deduplication correctness.
  - Edge cases for table construction, via a fuzzer derived from the Go
    implementation.
  - All code is simultaneously valid in Python 2.6, 2.7, and 3.4.

The test suite includes benchmarks for:
  - Building 'gold' data.
  - Parsing 'gold' data.
  - Deduplicating vtables.

All tests pass on this author's system for the following Python
implementations:
  - CPython 2.6.7
  - CPython 2.7.8
  - CPython 3.4.2
  - PyPy 2.5.0 (CPython 2.7.8 compatible)

Change-Id: I15cc8924d6607bd93068c762fd67e6088cfd9789

Change the signature for 'string' getters and settings to use byte
slices instead of strings.

Tested by regenerating all tests/ generated sources; note that only
Monster.java changes.  Ran flattests as well.

Change-Id: I65b6ea7d208b0ccd6a0b34761162fed6ba391fc5

Bug: 19067493
Change-Id: Ib32fef963306e27834c15e3bbabc60570924c1a9
Tested: on Linux.

Tested: on Linux

Bug: 15779934
Change-Id: I6f822f1705e443d8721ea208dcb021aad3c8715c

Mirrors Java patch 39d4b7e2

Change-Id: If8d0ab29f6eb508a156d468aeb0a9d5410149e53

Also made the C# implementation support unsigned types, and
made it more like the Java version.

Bug: 17359988
Change-Id: If5305c08cd5c97f35426639516ce05e53bbec36c
Tested: on Linux and Windows.

Include C# codegen in flatc and .NET FlatBuffer access via the
FlatBufferBuilder class

Tested: on Windows.

Change-Id: If5228a8df60a10e0751b245c6c64530264ea2d8a

Java patch with same purpose:
cdb0dca3

Change-Id: I57d268cc0064843779eb7812a9e69326d9ab2498
Tested: on Darwin

Previously, it would ignore the fact that the type comes from a
different namespace. Now they are pre-declared in their own namespace,
and referenced with a qualified name if necessary.

Bug: 16851682
Change-Id: I5cb625b86d28e7436b9e93c70a0fa16a600d9884
Tested: on Linux

Implement code generation and runtime library for Go, derived from the
Java implementation. Additionally, the test suite verifies:

 - the exact bytes in the Builder buffer during object construction,
 - vtable deduplication, and
 - table construction, via a fuzzer derived from the C++ implementation.

Change-Id: Ib95a019c684891def2b50281e570b4843fea7baa