Fix accidental removal of space-mesh plugin.
Fix accidental removal of space-mesh plugin.

When adding the Twitter plugin, the space-mesh plugin was replaced
instead of copied and modified to work for space-twitter.

sirikata/sirikata,sirikata/sirikata,sirikata/sirikata,sirikata/sirikata,sirikata/sirikata,sirikata/sirikata,sirikata/sirikata,sirikata/sirikata