The default messages for the MyCoRe Viewer should be "near" the viewer and not in the iview2component. This is the only reason to integrate this component into my application, which has side effects, that can be avoided: eg. automatic image tiling, maybe more database tables, etc.
Components should work as independent as possible.
Think about providing default-messages by the viewer itself
and use the I18n url to update existing and add new properties for text layers, local changes, etc.
During first test I found missing messages for the keys: