Add a special case for double slabs to the block list counter. Closes g…

…h-179

Merge pull request #147 from RedNesto/update-fr-translation

Update French translation

Add stack formatting and required amount to the material UI.

License year update.

Update gradle wrapper.

Add the locale to all toLowerCase calls.

Update forge version to latest recommended.

Updating localizations (mainly missing stuff).

Merge pull request #19 from cyisfor/master

Treat liquids as an unsuitable neighbor for print (closes #18).

Fixed the transparency option, bumped version.