release-1.5
Fix #10142.
Fix bug #10200 (Live Preview throws errors on pages with dynamic LESS) - Make sure every "live document" type implements the same interface, including the EventDispatcher APIs.
update bootstrap files
Append remote script to the end of the doc in case no "head" tag is present
Fix some moved APIs that were left over from PR #10641
Merge extra if statement.
Add some improvements to documentation
Merge remote-tracking branch 'upstream/master' into fix-for-10374
Remove some circular dependencies
Squashed commit of the following:
Update LESS -> 2.5.1
Update copyright notice for brackets