Added DiscoveryClient
Import fix
Make gumby work with new dispersy
Use LoopingCall for monitor_friends
Just load the DiscoveryCommunity once
Need to call init_community
Cleanup
Compatiblity with privatesemantic
Fix for bootstrap file
Upgrade experiment clients
Merge pull request #159 from egbertbouman/discovery

DiscoveryCommunity experiment + gumby update