Merge pull request #2 from lmnn3/master

latest changes
Fixed small errors from previous commit.
Merge pull request #3 from lmnn3/master

merge pull request 3
Completed changes to sharing a part of the file on client side.
Completed changes on server side, i.e. moved from database to files.
Merge remote-tracking branch 'origin/master'

Conflicts:
	src/client/FileSender.java
	src/client/FileTracker.java
	src/client/Peer.java
	src/client/PeerInfo.java
updated download section
Merge branch 'master' of https://github.com/vmkf5/CS5600

Conflicts:
	src/client/FileDownloader.java
	src/client/FileSender.java
	src/client/Peer.java