fix links with children in overlay
add missing options on static instance overview
full width instance background
Move mass message button to members sidebar

An in-place mass message button has been added to the instance overview
sidebar in aeee34d10999701fa48110a7eb05612a5e2273c3.

This commit moves this button to the members list sidebar, where it is
expected to be in context.
fixup "make all badge select forms look alike"
style proposal row instead of proposal pager
Merge pull request #822 from nidico/feature-move-massmessage-button

Move mass message button to members sidebar
Merge pull request #824 from xi/feature-fixup-a2c5ceb4

fixup "make all badge select forms look alike"
Merge pull request #819 from xi/feature-fixup-static-page-on-instance-overview

add missing options on static instance overview
Merge pull request #816 from xi/feature-fix-links-with-children-in-overlay

fix links with children in overlay
Merge pull request #825 from xi/feature-fix-proposal-row

style proposal row instead of proposal pager
Merge pull request #820 from xi/feature-full-width-instance-background

full width instance background
Merge branch 'develop' into geo