* Added jail header dependencies for mkmf Makefile.
* Renamed header file (bsdjail -> jail)
* Fixed copyright
* Initial commit of primary functionality
* Attach to a running jail
* Create a new jail
* List and instantiate existing jails
* Fetch information about existing jails
* Still needs...
* Attach "in a block" fleshed out
* Documentation and better comments
* Tests (of some kind, this will be tough)
* Update for not-yet-MFC'ed multiple IP jail patch in FBSD 7.2-STABLE