merging the private rewrite branch, configure.ac
merging the private rewrite branch, configure.ac

* bump version. two leading components are getting in sync with OpenID
  protocol version now, which means it's going to be 2.0 by the time I finish
  2.0 support.
* add checks for some optional gcc features.
* check for optional dependencies needed to build test RP CGI, namely -
  sqlite3, kingate, libuuid.
* change XRI resolver proxy to non-beta https.

hacker/libopkele,hacker/libopkele,hacker/libopkele