Merge pull request #1 from peterhil/develop

Update project template
Remove unintended 'x' character.
Change default SERVER_NAME to localhost:5000

This is to make it work more out of the box, without the need to edit /etc/hosts
Rename skeleton package to app. Add skeleton.py, which import all from app. Rename app.py to run.py.
Rename skeleton to app on most important places, so the app runs.
Change skeleton to app wherever possible. Other small improvements and fixes.