Implements feature #47.
Remove all special installation types. There is now only a guided installation, when no parameters are given to the configure.sh script.
The scripts now also accepts a file as parameer, which defines all needed information.
Add function which checks if all needed variables are defined in the input file. Also test if the values are in the allowed range and
if the input file contain unsuported combinations of variables.
Add three example configuration files.
Remove osolete code which belongs to the old shell script version of the system check.
Update README file.
Write config.cache file for any kind of installation.
Remove osolete code which belongs to the old shell script version of the system check.
Add test which checks for the existence of CMake. If the cmake executable isn't found stop with an error message. Implements #48.
Skeleton for a make clean tool.
Complete skeleton is ready.
Create build dir inside of the geant4 dir.
Script now implements a clean function for each package.
Put code to generate cache file into separate function.
Uncomment function call.
Remove function which was there two times after rebase.
Rename skript to make_clean.sh