B"H decode more data, etc.

- decodes a bit more information
- misc. small changes
B"H view1090: nonblocking sockets
Merge pull request #19 from hhm0/decoding

decode more squawk codes
Merge pull request #20 from hhm0/network_disabling

make network services disable-able
B"H view1090: do not block on network
Merge branch 'master' of https://www.github.com/MalcolmRobb/dump1090
Merge branch 'interactive_mode_nonblock'
B"H view1090: handle reconnection and do not block

 - keep trying to reconnect to server if disconnected
 - do not block on network data
B"H Merge branch 'view1090_reconnect_net'

Conflicts:
	view1090.c
B"H view1090: handle disconnection

 - keep trying to reconnect to server if disconnected
B"H view1090: do not block

 - do not block on network data
Merge branch 'view1090_net_mods'
Merge branch 'master' into since