Merge branch 'release/7.x-0.26' into develop
add themeable toggle subgroups to radio buttons
move formatting of toggle key to template.php
support for multiple subgroups
update webtests
Merge branch 'feature/1294-radio_buttons_with_subgroups' into develop
updated to version 7.x-0.27
Merge branch 'release/7.x-0.27'