New version of Click to chat (V 2.5.1/2)

Another update with translations, French and Italian, thanks to Armand Secco.

[Update] 2.5.2 is now available with country names translated too.

Current status: 2.5.1 stable, 2.5.2 stable.

Changelog:
V 2.5.1/2
- Added French and Italian translations. Many thanks to Armand Secco!