Release 1.0.0.

Long overdue, we've adopted a backwards compatibility statement and
recognized that we have plenty of users depending on our behaviour -
calling our version 1.0.0 is a recognition of that.

Change-Id: Ic6127d9db50b1988c818e821bdcf2ee8f35c3fe4
Openning 1.0.1 for development.

Change-Id: Ibddc9c179bfd74d4f4ee4ac292b46aea9fc43ac7