Raise version to 1.0

The version of the project has been increased to 1.0 in all files
that keep track of this number.
Version 1.0

This version marks the first stable release of the AIChallengeFramework.
Although not all features have been fully tested yet, the framework is
stable enough to perform matches with it (without getting errors or
exceptions).

Since this is the first official release, no changelog is given.