Make proximity sensor's pocket program able to act immediately after service start
Clear history on sensor's stop
Clean-up proximity sensor
Fix copy-paste typo in JavaDocs
Clean-up notification list
Add some annotations to AcDisplay's widgets
Add tests for FileUtils.java
Add onLowMemory() method for BathService's childs
Free some Blacklist's resources on low memory
Move onLowMemory() method to separate interface file
Wrap Config's map to a Soft reference; support onLowMemory()
Trim string before checking if empty