test: Add basic UI for viewing and restarting builds

Signed-off-by: Lewis Marshall <lewis@lmars.net>
test: Custom http listen address

Signed-off-by: Lewis Marshall <lewis@lmars.net>
test: Avoid deleting bridge devices twice

Signed-off-by: Lewis Marshall <lewis@lmars.net>
test: Show builds in reverse chronological order

Signed-off-by: Lewis Marshall <lewis@lmars.net>