add NEWS
make panel sizing bar transparent instead of hiding it when inactive

fixes #802
tweak sizer positions and make sizing grid responsive to window resizing

fixes #803
tweak left side panel resizer pos
open/hide side panels based on size

size 1 <=> hidden
otherwise shown

fixes #801
Merge branch 'hotfix/1.1.2' into develop

Conflicts:
	htdocs/js/rcloud_bundle.min.js