Task/import without forms

Bug fix: [yes]
Feature addition: [yes]
Backwards compatibility break: [no]
Unit test passes: [yes]
Behat scenarios passes: [yes]
Checkstyle issues: [yes]*
ChangeLog updated: [no]
Documentation PR: 
Fixes the following jira:
 - PIM/1414
 - PIM/1453
 - PIM/1398
 - PIM/1429

Also
 - Makes the import 6 times faster
 - Makes most the commands and the installation faster
 - Makes product edit faster
 - Adds translation to error messages
 - Adds error messages for wrong family/category codes
 - Is not fast enough yet for Champagne