Fix concurrency and try to fix tunneling issue
Stuff and things.
Tunneling improvements
Merge remote-tracking branch 'origin/janjelle' into janjelle
Tunneling improvements
Try to fix TunnelReader
Fix NPE in Tunnel
Fix slowness in tunnel connection procedure
More logging in (re)connecting tunnels
Simplify logging of tunnel connection errors
Merge branch 'master' into janjelle
Clean up warnings in Starter
Merge branch 'martijn' into wander-web
Revert. Apparently generic JCombo's are JDK7 only.

This reverts commit 81fa28fce56abf107e50d8cdc2b361054bd46704.
Clean up warnings in Starter again
Fix RoutingTable graph generator

Three small fixes:
- Remove space in toGraph (no spaces allowed in URLs)
- Fix documentation for toGraphUri function
- Use http instead of https for less overhead and more debug.
Application layer refactorings.
Make logger not static
Make MockLinkLayer a FrameLinkLayer
Make MockLinkLayer a Startable