[wip] overhault of fem_discretisation
Some more refactoring.
Verbose error reporting for type_checker plus unit tests.
Cleanup of fem_discretisation (nearly) finished.
(At least everything seems to be working again.)
Removed unnecessary files.
*-save.conf files don't need to be tracked.
[wip] cleanup; timings in mc.
Merge branch 'cleanup' of https://github.com/SpuqTeam/spuq

Conflicts:
	src/spuq/application/egsz/fem_discretisation.py