tools: paths: add paths.py
tools: paths: add paths.py

paths.py should have been checked in with the tools/build.py and
agents/monitoring/runner changes.

If you run paths.py as an executable it will export LUVIT_BIN and
AGENT_BIN otherwise if you import it it will provide paths to things.

cp16net/virgo-base,virgo-agent-toolkit/rackspace-monitoring-agent,christopherjwang/rackspace-monitoring-agent,kaustavha/rackspace-monitoring-agent,AlphaStaxLLC/rackspace-monitoring-agent,cp16net/virgo-base,cp16net/virgo-base,virgo-agent-toolkit/rackspace-monitoring-agent,AlphaStaxLLC/rackspace-monitoring-agent,kaustavha/rackspace-monitoring-agent,cp16net/virgo-base,cp16net/virgo-base,christopherjwang/rackspace-monitoring-agent