You are now able to translate template fields. Under the manage apps section, select templates. Choose translate templates to select the language you want to translate the fields into. You can choose between German, English, Spanish, French and Dutch translations. When changing the template fields, JQL search will work with the new field names. For example: Name (EN) -> Nom (FR).
More information on how to translate fields can be found here:
The navigation bar can be found at the top of your browser. You can create companies, contacts and sales by clicking on 1. Atlas CRM and after that 2. Create. With this new functionality, you can create companies, contacts and sales from every Jira page easily.