implement upnp_control_point ssdp and event server.
add include files for .c
add blank line.
1. read all data available in socket buffer.
2. append the data read to the tail of the event buffer.
3. delete the head parsed successfully in the event buffer.
ssdp search also listen to local address for search response.
change search event to one shot.
search response is short, needn't split buffer.
add for event server.
add for parse ssdp message and m-search response.
return parsed byte count.
remove upnp event server.
memcmp returns zero when equal.
add message loop for mirrorlink.
add message send and dispatcher for message loop.
Merge branch 'master' of https://github.com/wusunjie/mirrorlink
update workspace.