Java package naming convention correction

Java package naming convention changes:
from "rpi.edu.rpimobile" and "rpi.edu.rpimobile.model"
to the proper "edu.rpi.rpimobile" and "edu.rpi.rpimobile.model"

AndroidManifest updated to reflect package naming convention
change and fixed intent xml tags to proper Android conventions.

Import statements optimized.

Extraneous weather image deleted to optimize binary size.