* Efficient conversion of FlatBufferBuilder to grpc::MessageBuilder
* Added a variety of tests to validate correctness of the MessageBuilder move operations.
Disable MessageBuilder half-n-half tests on MacOS.
* Fix failing Android build
* Generalized the MessageBuilder move constructor to accept a deallocator
* Add FlatBufferBuilder move semantics tests to main
Do not eagerly delete/reset allocators in release and release_raw functions
Update android, vs2010 build files
New tests for various types of FlatBufferBuilders and move semantics
* Improve test failure output with function names
Unit tests
Update flatbuffers + gRPC build instructions
Update CMakeLists.txt with cmake variables for grpc and protobuf install paths
Update tests for travis build
