Bug fix #408
Revision of reception of linked balise groups marked as unknown but with repositioning information
Corrected test according to the new implementation of the linking
Bug fix #372
Bug fix
Bug fix #376 : Could not use bold fonts, but I assume that these changes will be sufficient for now
Ask before closing the window (with the button top-right) to save the model before closing the window
One of linking requirements was already implemented
Bug fix #380 : States were always considered as not having a comment. This was due to the fact that the inner state machine could not be commented (and should refer to the enclosing state)
Bug fix #357
Linking received by infill was already implemented
Bug fix #357
When closing the window, only ask once if one wants to save the file (this was due to the side effect of the Close() call)
Bug fix
Check comments for all ICommentables
Only consider elements from model that require a comment
Bug fix #374
Allow to delete a reference to a requirement
Merge branch 'Upstream/master'