Branch Hula-hoop init, commit with working copy
Merge branch 'hula-hoop'

Conflicts:
	project.properties
	res/layout/activity_main.xml
	res/values/strings.xml
	sensorfun/src/main/AndroidManifest.xml
	sensorfun/src/main/java/com/yeyaxi/android/sensorfun/util/SensorDataUtility.java
	src/com/yeyaxi/android/sensorfun/hulahoop/BaseActivity.java
	src/com/yeyaxi/android/sensorfun/hulahoop/MainActivity.java
	src/com/yeyaxi/android/sensorfun/hulahoop/PlotActivity.java
	src/com/yeyaxi/android/sensorfun/hulahoop/SensorService.java
	src/com/yeyaxi/android/sensorfun/hulahoop/util/SensorDataUtility.java
	src/com/yeyaxi/android/sensorfun/util/SensorDataUtility.java