Merge pull request #17 from BugFreeSoftware/commands

Opentxs CLI commands separation preparation
cppcheck_wrapper.sh: clean-up background process
Merge pull request #29 from toxeus/cleanProc

cppcheck_wrapper.sh: clean-up background process
Opentxs CLI commands separation
(split up the 97 commands in ot_commands_ot.cpp into 1 class per command)