vcs Support 0.5.6

This version of supports the newly released Sunbird and Lightning 0.8 only. For a version compatible with versions 0.7, you'll need version 0.5.5 of this extension, available here

In this version, support has been added for the Slovak locale (sk-SK) thanks to Martin Struhar from Babelzilla.

I've also fixed an export problem where recurring events which had neither a set number of occurrences nor an end date for the recurrences (eg. weekly forever) would cause the export to fail and produce an incomplete file.

Version 0.5.6 is available from addons.mozilla.org as usual (still in the sandbox) and also from here. I'm nominating this version for public listing on AMO.