Fixed gcc warnings.
added checking for null pointer in new_Assoc function
Lossless crypto packets can now be sent without the congestion control applying to them.
Removed useless code.
Speeded up start of file transfers.
Update INSTALL.md

Renamed ProjectTox-Core to toxcore, as seems to have been done with the repository.
Merge branch 'myChan' of https://github.com/lobiCode/toxcore
Merge branch 'patch-1' of https://github.com/bjorn/toxcore
Tweaked some values in DHT to decrease the discovery time mainly
for the auto tests.
Increased time between ping packets by 1 second.

This might make active connections less likely to time out needlessly.
Linked toxav in the main dependencies section.
Expose the tox_add_tcp_relay() function in the public api.

Clients can use this function to make Tox connect to user specified
TCP relays.
Fixed iOS possible SIGPIPE issue.

Apparently on iOS UDP sockets can SIGPIPE (what the fuck apple?).
Merge branch 'patch-6' of https://github.com/mouseym/ProjectTox-Core
Fixed typo.
Added encrypted save to toxcore, if sodium is used
Note, this is untested
Merge branch 'master' into encrypted_data
Update tox.c
Increased number of friends tested in tox_test.
fix travis sodium version