Added --no-color commandline switch to disable colored output.


git-svn-id: http://sbuild.tototec.de/svn/sbuild/trunk@350 024a02f7-42f7-40fc-9f58-65666d1f2450
Improved error reporting on the commandline.


git-svn-id: http://sbuild.tototec.de/svn/sbuild/trunk@351 024a02f7-42f7-40fc-9f58-65666d1f2450
Fixed return value handling in shell wrapper.


git-svn-id: http://sbuild.tototec.de/svn/sbuild/trunk@352 024a02f7-42f7-40fc-9f58-65666d1f2450
Added more log levels and replaced Console.println calls with logger calls.


git-svn-id: http://sbuild.tototec.de/svn/sbuild/trunk@353 024a02f7-42f7-40fc-9f58-65666d1f2450