Added product list page
Suppliers and Product Types can be edited and activated/deactivated, New Button added to lists, added Page Product Details
- Added cancel button on create/edit pages;
- Added icon on edit buttons;
- Changed products and product_types tables;
- Created product_logs table;
- Removed the activate/deactivate button from producTypes.show and suppliers.show pages;
- Removed the method setStatus() from SupplierController and ProductTypeController;
- Created product log model;
- Product Log can now be created;
- Created Product Log list on products.show page;
- Product usage is update when log is created;
- Limited the usage field when creating log, based on remaining usage of product;
Merge pull request #4 from dsfugimoto/crud

Add the CRUD features