Rename and clean unit definition changelog

docs/module_version_changelog.txt

-iqb-aspect-module@0.1.0 -> iqb-aspect-module@0.1.1:
-  new:
-    - ButtonElement.action: undefined | 'previous' | 'next' | 'end';

docs/unit_definition_changelog.txt

+iqb-aspect-module@0.1.0 -> iqb-aspect-module@0.1.1:
+  - change button element action: undefined | 'previous' | 'next' | 'end'
+
+iqb-aspect-definition@1.0.0
+  - Rename variable
+  - raise version to 1.0.0