Added Feed class.
Modified RSS component to call Feed for feed sources.
Added Feed iterator to RssReader to allow for parsing multiple feeds.
Removed RssReader constructor and rssUrl field as they are replaced by
Feed class functionality.
Merge branch 'master' of
https://github.com/mastash3ff/Software-Engineering

Conflicts:
	Zero-DayNews/src/com/android/terminators/MainActivity.java