Update links (beta)

Description

Updates all manual links to the most recently saved version of a linked file. After install the extension, you should see the Update links button.

Notes:

- the linked files must be saved before of 'Update links' button click

- the linked files must be open during the use of extension

- you can find more about how to create/use manual links at http://help.libreoffice.org/Calc/Referencing_a_Cell_in_Another_Document

- you can check all manual links in your spreadsheet in Edit > Links... menu.