wintox has been renamned to uTox
Made TCP a bit more solid.

TCP ping requests in TCP_client should have a higher success rate.
Call now gets terminated when other person times out.
Merge branch 'patch-1' of https://github.com/mrshu/toxcore
Fixed some small TCP issues.
Merge branch 'split-video' of https://github.com/notsecure/toxcore
Set a deadline in the vpx video decoder to try to solve issues on
slow hardware.
Fixed documentation comment errors
Fix win32 mingw native build

toxdns was not linking because of references to functions in crypto_core
Merge branch 'jin-eld-fix-code-doc'
Merge branch 'fix-mingw32-native' of https://github.com/jin-eld/ProjectTox-Core
Attempted fix of file transfer issue.

Instead of dropping the rate to minimum just half it until it drops
to the minimum.
Packets can now be sent from the connection status callback.
Set packets_left to default non zero values when creating connection.
Change connection status before handling data packets.
Fixed file sending documentation.
Fixed bug with TCP.

Don't increment nonce if packet was discarded instead of being sent.
Fixed TCP bug.

Packet was being copied with a wrong, smaller length.
added priority packet system for TCP server