Added fixes to rtp and updated phone
Added DHT bootstrap server info packets.

define DHT_SERVER_EXTRA_PACKETS to enable.
Fixed warning.
Fixed possible issue.
Lowered the route to friend minimum number of peers.

This fixes hole punching for some NATs.
Made onion test taste more like onion.
Fixed bandwidth issue.
added API function to get online friend count
decrement counter on friend delete
Use a more appropriate distance function for group chats.
Onion_test should be now a bit less failure prone.
Update README with current information
Merge pull request #717 from JFreegman/master

added API function to get online friend count
Merge pull request #718 from Proplex/2guud2btru

Update README with current information
Modified hex_string_to_bin
Fixed memory leaks and removed repeated code
Fixed build
Merge pull request #720 from nurupo/master

Fixed some memory leaks
Astyled and removed some useless files.
Fixed possible memory leak.