Django-erp-framework

- Added Jazzmin integration as an option
- Added settings for custom dashboard base template, admin_site_access_permission, report_access_function
- Simplified creating a widget for a report
- Simplified integrating erp framework with your project
- Align own ReportView to Slick Reporting ReportView
- Removed ReportList View, top_search app, and unused js plugins
- Changed report URL to be app_label/report_lug
- Enhanced demo app and documentation

- A makeover and renaming the project to django-erp-framework.

- Update slick_reporting to version >= 0.4

Updated
- Fixed duplicated `jazzmin` in installed apps in the project skeleton

Updated
- Fixed issues with documentation and project skeleton.

Added
- Reporting Engine is moved to its own new package [Slick Reporting](https://github.com/ra-systems/django-slick-reporting).
- Framework no longer depends Postgres Database specifically.
- Update underlying AdminLTE Theme to 3.0.5