[update] Upcate to Calligra Qt5 HEAD
Squashed 'calligra/' changes from af69aed..8f555a9

8f555a9 components: Fix return type of indexCount property getters

git-subtree-dir: calligra
git-subtree-split: 8f555a9703dc5e491a9e2d3adfbf8ce8c96a5f90
Merge commit '7352c43bca1f64b52f350949d7add8dea74c28f3'