Improve energy efficiency by applying Dynamic Retry Delay Energy Pattern Energy Pattern

[anasofiagribeiro]

This improves the energy efficiency of wseeman by applying the Dynamic Retry Delay Energy Pattern and the Cache Energy Pattern for mobile applications.

The energy pattern was applied in CommandService.java and AndroidManifest.xml. The general idea is to avoid accessing an internet connection if the connection is down. In particular, a class NetworkStateReceiver will be created in the java file that checks for an internet connection.