Co-authored-by: Jan Bensien <stu128012@mail.uni-kiel.de>

Co-authored-by: Nico Biernat <stu209212@mail.uni-kiel.de>

The Project is renamed to theodolite and therefore all packages
should be renamed likewise.

Add the spesb prefix to all self implemented java packages of the
project. Because this changes the fully qualified class name of
the main classes the build.gradle files need to adopt to this.