signal_scope: support bool in qjson reader
signal_scope: support bool in qjson reader

git-svn-id: 3bdc50f1ba932488e36d0c1d1e7fc079467b8f9b@6036 c7283977-0100-402a-a91a-fa70b306dbfe

mitdrc/signal-scope,mitdrc/signal-scope,mitdrc/signal-scope,openhumanoids/signal-scope,openhumanoids/signal-scope,openhumanoids/signal-scope