change the default name of installed tools with a message singleton

fixes PLAT-664

test-plan:
specs pass

Change-Id: Ibd857ba84e4d5b04dfe49eb6a9df932d88485c24
Reviewed-on: https://gerrit.instructure.com/42408
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Brad Humphrey <brad@instructure.com>
Product-Review: Nathan Mills <nathanm@instructure.com>
QA-Review: Nathan Mills <nathanm@instructure.com>