Updated Assignment-Description.txt.
Yet more fixes for DownloadHandler.
Merge branch 'master' of https://github.com/douglascraigschmidt/POSA-14

Conflicts:
	assignments/week-3-assignment-2/Assignment-Description.txt

 Changes to be committed:

	deleted:    assignments/week-3-assignment-2/Assignment-Description.txt
	modified:   assignments/week-4-assignment-3/Assignment-Description.txt
	modified:   ex/DownloadApplication/src/edu/vuum/mocca/DownloadActivity.java
	modified:   ex/DownloadApplication/src/edu/vuum/mocca/DownloadService.java