Added user manual to installer and made sure you can open it in the application. Related to Issue [WTI-762]git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@4674 5a3db67b-de53-47b5-99c8-a1c30a6650e2Former-commit-id: 3be606f743148e9f74977c0b4c5eebf4cfb48ad6Former-commit-id: 9db2dcf6ab8c0d7ff8e60f3b0ea71e945b34e89b