make importer recognize new thin common cartridges

This is a new profile with just LTI links and web links.
This makes it so that those packages are recognized.

Test Plan:
 * Import the package in the ticket
 * It should import and not fail

closes  PLAT-586

Change-Id: Iab3c4ec1aebec5d1e0fef4a883b42ac546e1bf68
Reviewed-on: https://gerrit.instructure.com/38830
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Brad Humphrey <brad@instructure.com>
QA-Review: Clare Strong <clare@instructure.com>
Product-Review: Bracken Mosbacker <bracken@instructure.com>