Summary:
added libreoffice-qt5 package which gives libreoffice a qt5 filepicker and print dialog look
See T146 for context.
Test Plan: run libreoffice like "SAL_USE_VCLPLUGIN=qt5 libreoffice" to force qt5 VCL. See in help->about which VCL is used, check filepicker and print dialog
Added fonts suporting new xscreensaver dialoguebox and added lubuntu-grub-theme.
Summary: Added xfonts-efont-unicode which is needed for new xscreensaver dialogue box and lubuntu-grub-theme so that it gets installed by default.
Test Plan:
Check that xscreensaver loads without any warnings.
Check if lubuntu-grub-theme gets installed and selected by default on new installations.