OPOSSUM model file: Add version information

Add file / program version information in model file in order to check compatibility etc...

added enhancement label

changed milestone to %v0.2

assigned to @u.eisenbarth

created branch 54-opossum-model-file-add-version-information to address this issue

mentioned in merge request !22 (merged)

mentioned in commit 18bc7d3c

closed with merge request !22 (merged)

reopened

Oops. Mixed up tickets. Above fix closes #72 (closed)

unassigned @u.eisenbarth

created branch 54-opossum-model-file-add-version-information to address this issue

mentioned in merge request !23 (merged)

assigned to @u.eisenbarth

mentioned in commit afa25498

closed with merge request !23 (merged)