Merge branch 'MDL-62212-master' of git://github.com/bmbrands/moodle

diff --cc theme/boost/scss/moodle/bs4alphacompat.scss
index b33631b,9bcdc7a..02a732c
--- 1/theme/boost/scss/moodle/bs4alphacompat.scss
--- 2/theme/boost/scss/moodle/bs4alphacompat.scss
+++ b/theme/boost/scss/moodle/bs4alphacompat.scss
@@@ -218,10 -218,10 +218,14 @@@ $bs4aspacers: map-merge(
    }
  }
  
 +input[disabled] {
 +    cursor: not-allowed;
 +}
 +
+ .row-fluid {
+   @include make-row();
+ }
+ 
  // These have been removed in BS4 Stable. Adding in so RTL dropdowns will work.
  /*rtl:raw:
  .dropdown-menu-right {