Option to default to old OPJ format for saving projects

Version: 2018b

Type: Features

Category: Data Handling

Subcategory: Origin Project Files

Jira: ORG-17471

A new system variable:

0 Project to use new format and Copy Paste also new format
1 Project to use old format but Copy Page to use new format
2 Project to use new format, but Copy page to use Old format
3 Both will use old format