Trunk will move towards 2.0. If we want 1.1.x, then we can branch from the 1.0.x branch.
Trunk will move towards 2.0. If we want 1.1.x, then we can branch from the
1.0.x branch.

* serf.h:
  (SERF_MAJOR_VERSION): bump to 2.

jandre/serf,jandre/serf,jandre/serf,jandre/serf