Issue #265: Read only attribute. (dismine/valentina)

New issue 265: Read only attribute. https://bitbucket.org/valentinateam/valentina/issue/265/read-only-attribute

Roman Telezhinskyi:

Addition to issue #75 Library of patterns. For creation pattern templates enough will be add attribute read only. Nice way selection patterns can be added later. That’s why i made new issue.