Unable to delete rack error message displays markup

[zevlag]

Issue type: Bug

Python version: 2.7
NetBox version: v2.0.0-dev: de58d0e

Problem: Deleting a rack that has dependent devices show an error message with markup displayed. There are not functioning hyper links.

Unable to delete rack Proposed Rack-2. The following dependent devices were found: <a href="/dcim/devices/116/">Blanking Panel</a>, <a href="/dcim/devices/120/">asr1k-p</a>, <a href="/dcim/devices/117/">bm</a>, <a href="/dcim/devices/118/">bm1</a>, <a href="/dcim/devices/123/">c1900-p</a>, <a href="/dcim/devices/119/">pm3000</a>, <a href="/dcim/devices/125/">pm3000-p</a>, <a href="/dcim/devices/126/">pm3000-p1</a>, <a href="/dcim/devices/121/">sg200-p</a>, <a href="/dcim/devices/122/">sw-p</a>, <a href="/dcim/devices/124/">sw2-p</a>

Intended: Links to dependent devices function properly.