merging in access to field and file descriptor, as well as tests. Cleaned up some compilation warnings, as well
fix whitespace
Don't copy the array before handing it for base64 decode
Merge pull request #423 from ianoc/ianocBase64DecodePerf

Don't copy the array before handing it for base64 decode
Merge pull request #421 from brirams/expose_file_descriptor

Expose FileDescriptor and FieldDescriptor in ThriftToDynamicProto