Create importer for definitions of structures - hoogte Related to Issue [WTI-579]git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@5624 5a3db67b-de53-47b5-99c8-a1c30a6650e2Former-commit-id: 33ee20d44b36f3fa7f99f6f036d434a1d7bb6dc7Former-commit-id: 912cba0169a0abbdb528de1b55fa60a27f145f72