Merge pull request #5 from gabofratta/master

Changed hashUsers in serverprocess so it maps to writers rather than sockets
Add HistoryGUI, modify AllUsersGUI to able to see History
Merge branch 'master' of https://github.com/jkr241/project2
Merge pull request #10 from gabofratta/master

fixed buffered reader exception when closing gui
Minor changes for new AllUsersGUI, add view history listener
Merge branch 'master' of https://github.com/jkr241/project2
Add creator protocol to request creators. Add view protocol to see history of chats (only chats upto when users open HistoryGUI)
Merge AllUSersGUI and COnversation GUI