Compatibility with Piwigo 12

Fix an error in PWG Stufss block.
Take the "comments_enable_website" param into account.

New languages:
* Norwegian (Norsk bokmål [NO]), thanks to paulen
* Vietnamese (Việt [VN])

Compatible with Piwigo 2.7

Update for Piwigo 2.6

New languages:
* Esperanto (Esperanto [EO]), thanks to sylvbarrier

fixed: fatal error unknown column 'ic.image_id' in 'where clause'
new languages: et_EE, zh_TW, fa_IR, bg_BG

- compatible with Piwigo 2.5 features
- PWG Stuffs block rewritten
- new language: pt_BR

new languages : da_DK, fi_FI

- Production release for Piwigo 2.4
- Improved anti-spam system

PLEASE update 'Smilies Support' and 'BBCode Bar' plugins, too.

BETA VERSION (please report bugs)

- Compatible with Piwigo 2.4 (Beta)
- 13 new languages, thanks to all translators
- Note that 'PWG Stuffs' plugin blocks are possibly buggy as 'PWG Stuffs' has not updated as of this version release

- New version compatible with 'Subscribe To Comments' plugin

A new block in 'PWG Stuffs' plugin is available
Displays the menu on comments page
New languages : tr_TR, sv_SE, el_GR, cs_CZ, sk_SK, es_ES

minor change for compatibility with ReplyTo 1.0.c

correct the link in notification emails
add the album representative thumbnail to comments list (both public and admin side)

code changes according to Piwigo 2.2.3 core
compatible with last versions of Smilies Support and BBCode Bar only

- add de_DE
- add it_IT
(thanks to translators)

- edited comment revalidation (Piwigo 2.2.1 feature)
- compatibility with RV Thumbnail Scroller (Comments on Albums is disabled on multi-page albums)
- add a link to comment validation tool on admin page

First public version
New language : hu_HU (thanks to translator)