Added a more friendly default 404 response for the nomad app.

12 jobs for default-app-404 in 19 minutes and 35 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #1286438
build

00:06:45

 
  Test
passed #1286444
dev setup tests

00:07:51

passed #1286440
gui linting

00:02:22

passed #1286442
gui tests

00:02:07

passed #1286443
install tests

00:05:22

passed #1286439
python linting

00:06:01

passed #1286441
python tests

00:12:50

76.0%
 
  Release
manual #1286445
allowed to fail manual
deploy dev
manual #1286446
allowed to fail manual
deploy prod beta
manual #1286447
allowed to fail manual
deploy prod test
manual #1286449
allowed to fail manual
python package
manual #1286448
allowed to fail manual
release latest image