[HACKYSTAT-DEV-L:356] Build Sensor for Hackystat Installed

[Hongbing Kou]

Hi, folks,
I revamped build sensor and added verbose mode. Build sensor is already 
installed in
hackyBuild\build.xml. To enable build sensor and send build result to 
public hackystat
you need to do two settings.

* Enable build sensor in your local hackystat.properties by adding :
        build.sensor.enabled=true
  You can also specify project name such as
       ProjectID=hacky2004-all
* Let build sensor sending out result in your local sensor.properties
       ENABLE_BUILD_SENSOR=true
You may also need to do ``ant updateAntLib" in order to make build sensor 
work for you.

Cheers,
Hongbing