* The sorting of variables in shortcut tab lost the data field. Now the data field...

* The sorting of variables in shortcut tab lost the data field. Now the data field is added in addition to the text field (refs #4048).
* Added polarity signs for dependencies whose one end is connected to a module, similarly to those that were connected to variables (refs #3940).
* Validating names of variables and module instances now checks also that there are no similarly named modules within the current model (or current module instance). Such invalid names are not accepted (#refs #3040).
* Validating names of variables and module instances now checks also that there are no similarly named module types defined in the model. Such invalid names are not accepted (#refs #680).

git-svn-id: https://www.simantics.org/svn/simantics/sysdyn/trunk@26737 ac1ea38d-2e2b-0410-8846-a27921b304fc