devscript: add new maintainer claui

this mainly affects how the changelog is generated
Merge pull request #7795 from rolandwalker/add_maintainer_claui

devscript: add new maintainer claui
Add GluePrint.app version 1.1

Turn any mockup into a floating guide, and visually align pixels with ease.
updated texstudio (2.8.8)
Merge pull request #7803 from vitorgalvao/update-texstudio

updated texstudio (2.8.8)
Merge pull request #7800 from vinkla/glueprint

Add GluePrint.app version 1.1
dia.rb: more version interpolation in url
Merge pull request #7804 from vitorgalvao/dia

dia.rb: more version interpolation in url
Add Cactus.app version 1.1.5
Merge pull request #7802 from vinkla/cactus

Add Cactus.app version 1.1.6