Add collapsable header to render group
Insert the correct title on ajax
Update minified js
Merge branch 'master' of https://github.com/cluke009/CMB2 into cluke009-master
Add ajax toggle
Update css for new groups
Add group-title class back in
Fix sidebar width

Trying to avoid the use of box-sizing. What IE version does WP support?
merge upstream
remove hndle class
Merge upstream
Merge branch 'master' of https://github.com/cluke009/CMB2 into cluke009-master
restore repeat group title bg color
update styling for repeatable group headings, and add close button to title bar
make repeat group toggle work in sidebar too
Merge branch 'cluke009-master' to allow collapsible repeat groups. Props @cluke009.