remove the current build system
rpc/: move rpc code here
protobuf-c-parser.h: remove

as far as i can tell, this code is not used anywhere.
protobuf-c/: move library code here
compiler/: move compiler code here
t/: move test code here
rpc/t/: move rpc test code here
rpc/example/: move rpc example code here
rpc/: move sctp-rpc and simplerpc here
compiler/ -> protoc-c/
rpc/ -> protobuf-c-rpc/
protoc-c/: remove unused .cc files
protoc-c/: fix include paths
protoc-c/c_file.cc: fix include path in generated output
t/: fix include paths
t/: fix paths to generated protobuf code
protobuf-c-rpc/t/test-rpc.c: fix include paths
new build system
t/test-full.proto: add 'option allow_alias = true;' to silence warnings from the protobuf compiler
gitignore: ignore output from the test suite