Merge pull request #1 from schockjd/split-acceptor-switcher

CoinOp Modularlization Refactor
typedefd server command and rsp structs.
delete obsolete test code
Merge pull request #3 from schockjd/test-dir-fix

delete obsolete test code
Merge branch 'master' into split-acceptor-switcher
added makefile for building tests
started using cmd struct, log cleanup in coin-server
implemented server cmds; udpated server client test util