fixed layout issues

Issues were introduced when upgrading to bootstrap 3.2.0.
fixed toggling of unsupported content

All items were clickable when selecting “Update web map service URLs”
due to improper class assignments.
removed unused IE detection code
cleaned up panels layout for bootstrap 3.2
fixed bad max-width for draggable items

It was grabbing the width property from collapsed folders which were
resizing the buttons smaller. Now it resets the max-width when the
accordion opens.
fixing layout issues
fixed the width for root folder content