Renamed TunnelFragment and TunnelMessage.
Added FragmentHandler, FragmentState.
Bumped boost to 1.55.
Moved TODO to doc/.
StaticByteArray is now initialized to 0 during construction.
Used typedefs in StaticByteArray.
Worked on Fragment, FirstFragment, FollowOnFragment.
Completely restructured the tunnel Message class.
Modified IBGW and OBEP logic in TunnelManager to reflect tunnel Message
interface changes.
Added a FragmentHandler to the TunnelManager.
Merge branch 'master' of http://git.repo.i2p/r/i2pcpp