Fixes #172, submitted by jns
Config ADXL345 sensor with a lower sampling time and removed hard-coded delay
Mark ThreadTask's as daemon for cleaner shutdown.
Block until new packet source is open.
Merge pull request #207 from carlsondc/python-serial

Python serial
Removed -shared flag from java jni on mac

-shared flag causes building tinyos-tools to fail on mac 10.8.3.

Fixes #205
Merge pull request #208 from lab11/jni-darwin

Removed -shared flag from java jni on mac. Fixes https://github.com/tinyos/tinyos-main/issues/205