help: lowercase keybinding hints for clarity.

Seeing the uppercase character I expected it to be the actual key.

Signed-off-by: Loui Chang <louipc.ist@gmail.com>
ipv6enabled parameter was removed in toxcore.

Signed-off-by: Loui Chang <louipc.ist@gmail.com>
port is no longer passed in network byte order to tox_bootstrap_from_address()

Signed-off-by: Loui Chang <louipc.ist@gmail.com>
Merge pull request #220 from louipc/master

new tox_bootstrap_from_address() behaviour and a minor ui change
redirect stderr before audio init to prevent error spam