fix Heroku deployment

This release fixes the initial_data fixture to work with the new data model (see #13) and modifies the app.json file so that the "Deploy to Heroku" button again works as advertised.

bugfixes

The previous release did in fact not enforce django 1.11 in requirements.txt. This is fixed here.

New in this version:

• Overlong product names are truncated in the Order and Product list display, column width is capped at 40.

• bugfix in CVS export (related to django upgrade)

Django 1.11 & some added fields and improvements

New in this version

• update to Django 1.11 (no changes required)
• use new "release" feature in Heroku Procfile for application of migrations
• add new fields to Order:
  • po_number, is_urgent
• add new fields to Product:
  • manufacturer, manufacturer_catalog
• fine-tuning of Order page and Product and Order tables

Django 1.9.x and Heroku deployment

New in this version

• project updated to Django 1.9.x
• Item table renamed to Product
• configuration adapted for automatic deployment to Heroku
• installation instructions for Heroku and for local development with virtualenv
• new example data fixture

production version in use 2012 - 2016

This version of labhamster reflects the, basically unchanged, state of the server while in use in Montreal.