Convert aos over to flatbuffers

Everything builds, and all the tests pass.  I suspect that some entries
are missing from the config files, but those will be found pretty
quickly on startup.

There is no logging or live introspection of queue messages.

Change-Id: I496ee01ed68f202c7851bed7e8786cee30df29f5
diff --git a/aos/scoped/scoped_fd.cc b/aos/scoped/scoped_fd.cc
index 74f8882..846736d 100644
--- a/aos/scoped/scoped_fd.cc
+++ b/aos/scoped/scoped_fd.cc
@@ -1,13 +1,13 @@
 #include "aos/scoped/scoped_fd.h"
 
-#include "aos/logging/logging.h"
+#include "glog/logging.h"
 
 namespace aos {
 
 void ScopedFD::Close() {
   if (fd_ != -1) {
     if (close(fd_) == -1) {
-      AOS_PLOG(WARNING, "close(%d) failed", fd_);
+      PLOG(WARNING) << "close(" << fd_ << ") failed";
     }
   }
 }