Add a factory for creating model objects.
Extracting interfaces from all model objects.
Fixing some PMD warnings.
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Initial version (0.1) of kalc.
This commit was manufactured by cvs2svn to create tag 'Version_104'.
Adapted the stream forward because of new Input-library.
Add a simple splash screen functionality (taken from tjger)
This commit was manufactured by cvs2svn to create tag 'Version_102'.