(teleproxy) Add format target to Makefile and use it to reformat the code
(teleproxy) Add format target to Makefile and use it to reformat the code

Originally-Committed-To: https://github.com/datawire/teleproxy#branch=rhs/better-debugging
Originally-Committed-As: 768499cf1483720de9beef5c21d4dff2adad43eb

datawire/ambassador,datawire/ambassador,datawire/ambassador,datawire/ambassador,datawire/ambassador