add publisher macro, add publisher registration
sending request Topic response now

(doesn't work, WTF?)
fix request topic response

add xml def to any xmlrpc message start
publisher sending header back
add non_block and nodelay to linux package
create publish function

add searching for first publisher socket
add copy buffer to all other sockets
todo marshalling
add test stuff for marshalling function

add first stuff into marshalling function
submessages seem to work
add array handling (untested)
add string support
inserted publisher test into publish function
publish function is found now.

several warning fixes
remove const from const value of message pointer of callback
fixed publisher ready bug in publisher
Merge branch 'feature/publisher' into dev