Update hu_HU.inc

Fix typo
Merge pull request #4 from nagyrobi/patch-2

Update hu_HU.inc
Update README.md
Fix threecol layout in Roundcube 1.0.x.

The base template in skins/larry has changed, so the evil
regexp substiution on the full page content in this plugin
needs to be updated to match.

It might make sense to have two sets of substitutions depending
on the Roundcube version.
updated package.xml with new languages
Update README.md
Update README.md
Merge pull request #6 from dpc22/master

Fix threecol layout in Roundcube 1.0.x.
threecol 0.4 for Roundcube 1.x