Issue #514: Read only setting not working properly (dismine/valentina)

New issue 514: Read only setting not working properly https://bitbucket.org/valentinateam/valentina/issues/514/read-only-setting-not-working-properly

Timo Virtaneva:

When closing the the window in MAC, Valetina ask if you want to save the changed file. I saves it with out checking the read only flag.