Merge branch 'release/1.2.3' into develop
Adds workaround for style conflicts introduced in 4.0.
More explicit props to workaround 4.0 conflicts.

For IE8.
IE8 tweaks, CSS cleanup for Edit Order nav.
Merge branch 'feature/4.0-support' into develop
Version bump to 1.2.4.
Merge branch 'release/1.2.4'