Merge branch 'release/0.8.6' into develop
Supported responsive layout, menubar toggle, and breadcrumb styling on IE8.
Supported wide block-content on IE8.
Supported footer-menu styling on IE8.
Merge branch 'feature/fixes_for_ie' into develop
Improved implementation of linking external files.
Ready for version 0.8.7.
Merge branch 'release/0.8.7'