removed bug from _load_as_cmdows,
removed bugs from mixin_vispacks,
added more example files to the interface,
removed bugs from interface


Former-commit-id: 8fa1cef04bc21ae16c2f745a51eeb8fb099427d0

Former-commit-id: b1da2a74aac32f51c6e35bca3edf9ea4118de1c8

Adjusted and checked XDSM module,
More restructuring,
Some documentation additions


Former-commit-id: 7d297d57f73aa8a4d8bc294a9e4e9e66d2a4716b

Former-commit-id: 2abf663e335e2d228133662cc9214bd3824ca91f