…nction.

Remove deprecated `get_model` function, replaced by `oscar` custom fu…

Remove instances of {% load url from future %}

- Refactored custom widget and adding a missed template.
- Update reference to dashboard layout.
- Updated buttons.

- Deleted unussed templates: was replaced by `oscar` offical templates.
- Update old system templates
- Fixed views problems.

More updates.

- Created a new migration for new migration system
- Remove South migrations
- Implemented fixtures inside the new migration
- Removed fixtures

- Remove unussed class
- Indented lines
- Adapt to new template layouts

- Removed unussed libraries
- Enable blank fields for date making unneeded put dates in admin dashboard.

- Created properly python packages for view and serializers 
- Refactored urls
- Refactored app

- Added missing related line objetcs
- Added attachments
- Added add button

Now if ticket haven't sources the admin can add to them.

Added attachments and messages

The idea is  that user can attach files that will be useful to admins.
The admin could add attachments, lines, orders, and products as edit them too.

- Created formsets
- Created inital forms
- Implemented attached formset.

TODO: These formset doesn't create a new attachment object.

Didn't save anything!

Change CreateView to UpdateView, still doesn't works.

- Add, delet, change attachments

- Implemented attachment formset in Create and Update View
- Added localization for string rendering
- Minor fixings

- Removed autocomplete widgets: New Oscar version have his own autocomplete system.
- Remove suppor styles and replaced by bootstrap styles.
- Added new views for tags.
- Added formsets for add files, products, lines and orders.
- Removed unused styles.
- Removed unused files.

Started develop AddTicketVIew and UpdateTicketView for API.

New version improvements

Few fix.