Fixed overflow bug.
Merge branch 'split-video' of https://github.com/notsecure/toxcore
Fixed segfault and other possible bugs in msi.c

toxav should no longer have weird behaviour when a dead call times out.
Fixed possible out of bounds read.
Fixed deadlock.
Fixed threading bug that could cause segfaults.
Fixed some timer related issues.
Added a script to query DHT bootstrap node info
People are getting confused...
TCP should be a bit more solid.

When a TCP ping request is recieved, try to send the response until
success instead of just dropping it if sending the response fails on
the first try.
Merge branch 'patch-4' of https://github.com/stqism/ToxCore
Merge branch 'fun-bootstrap-node-info' of https://github.com/nurupo/InsertProjectNameHere
fix send rate going up when peer disconnects
Merge branch 'master' of https://github.com/irungentoo/toxcore into split-video