.c files are not executable
Make tcp_server_create IPv6 aware
Make tcp code use sockaddr_storage instead of sockaddr_in
Make http server IPv6 ready
Make htsp_server and webui IPv6 ready
Make access system ipv6 aware
Add commandline option to switch on IPv6 support
Convert prefix to a , seperated list of multiple prefixes
http: fix bug that causes tablemgr updates to hang

Also added additional updates based on comet data do multiple
clients would receive an update.
Merge remote-tracking branch 'origin/pr/226'
init: add ipv6 option to config file and start scripts.
access: some minor cosmetics

ensure that the list/string order is not reversed each time you
save it (looks odd).