gitignore: add monitoring-test.zip
gitignore: add monitoring-test.zip

Ignore this symlink used by make test

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