Build: Long overdue cleanup
Commit
Build: Use strict versions for devDependencies
Revert "Commit"

This reverts commit 5d8468bb2bc4b3c56feca79fca893ce1f3a0f938.
Changelog: inital commit of new changelog script
Changelog: add first label to issue
Build: cleanup change log for code quality
Demos: Buttons inside grid solo should be wrapped in element with ui-block-a

This is the correct fix for #6643. The changes from commit 71448a6 have
to be reverted. See
https://github.com/jquery/jquery-mobile/issues/6685#issuecomment-2754939
2
Demos: Listview: Fixed a typo arrow-r for the default icon value.