ver bumps up.

version 3 branch.
- removing inter-process communication code
- making library
Moving network stuff to lib.
Moving Resource to lib.
removing Net.hs.
Moving Signal to lib.
Moving Report to lib.

FIXME: should Report be in src?
Removing Daemon.
Moving State and FileCache to lib.
Removing prefork.
Moving Process to lib.
improving locality.
improving locality for Route.
Removing Config/Internal.
Moving Route and Config to lib.
Changing Single to Server.
unexporting unnecessary function.
Writing doc.
Writing doc.
Unexporting and documenting.
dependency clean up.