[parameters.base] removed exception specifiers
* refs #4
[parameters.base] use DUNE_PYMOR_SSIZE_T
* refs #8
[parameters.functions] use DUNE_PYMOR_SSIZE_T
* refs #8
[functions.interfaces] major update
* renamed ParametricFunctionInterface
  -> AffinelyDecomposableFunctionInterface
* moved definition to header
* use DUNE_PYMOR_SSIZE_T, refs #8
[cmake/cmake_config.h] removed
[cmake] added dune-stuff/cmake/modules path
[autotools] define DUNE_PYMOR_SSIZE_T
* refs #8
[lib] added alugrid
[functions.interfaces] added missing dimRangeCols
[functions.interfaces] fixed non-unique names
[functions.default] major update
* move the definition into the header (and the class)
* use DUNE_PYMOR_SSIZE_T, refs #8
* removed NonparametricExpression and Frozen