Limiting extension package choice to non-core files
cs
cs
Add an empty option if no custom translation exist in a client.
Merge pull request #1 from Achal-Aggarwal/empty-client

Add an empty option if no custom translation exist in a client.
Update extensiontranslations.php
Merge pull request #160 from infograf768/extensionfield

Limiting extension package choice to non-core files
Thanks Achal.