Replace docker-engine with docker-ce for Travis

.travis.yml

@@ -8,7 +8,7 @@ env:
 
 before_install:
   - sudo apt-get update
-  - sudo apt-get install -qy -o Dpkg::Options::="--force-confold" docker-engine coreutils
+  - sudo apt-get install -qy -o Dpkg::Options::="--force-confold" docker-ce coreutils
 
 script:
   # Bring up the postgres, redis, and app containers

bakerydemo/settings/base.py

@@ -34,6 +34,7 @@ INSTALLED_APPS = [
     'bakerydemo.base',
     'bakerydemo.blog',
     'bakerydemo.breads',
+    'bakerydemo.foo',
     'bakerydemo.locations',
     'bakerydemo.search',