Merge pull request #21 from torbjoernk/feature/code-style-showcase

code style --- now really get that done
code style: Remove format.config.uncrustify.2_spaces.
Merge pull request #22 from memmett/feature/remove-uncrustify

thanks. i've forgotten that one.
exceptions: Add ValueError exception.
quadrature: Add Clenshaw-Curtis and uniform nodes.
Merge branch 'feature/more-quadrature' into release/v0.1.0

fixes #23
fixes #24

Signed-off-by: Torbjörn Klatt <t.klatt@fz-juelich.de>
docu: doxygen-related fixes

explicitly use Doxygen commands
docu: docstrings for Ecapsulation
docu: docstrings for VectorEcapsulation
adding real overloads

we don't need to do any dynamic_casts if the input is already of the
correct type
adding some assertions after dynamic_cast
reorder template parameters

those with default values should be placed at the end