HostName Fix for tabs
FileTransfer Fix
ChatTab update
Fixes and code clean for: hostID and chatTabs
Cache debug commit
FileTransfer debug and WHOIS hotfix
Merge branch 'janjelle' into martijn

Conflicts:
	src/network/tpp/TPPNetworkLayer.java
JJ branch Merge
offeredFileCache hotfix
premerge commit
Merge branch 'janjelle-upgrades' into martijn
offeredFileCache debug
Merge branch 'martijn' into janjelle
Fixes for retransmissions