Merge pull request #29 from thedod/ssl-error-fix

Recover from SSL error during tweet's mf2 discovery
Temporary fix for a strange tag cloud bug

Tags appeared several times, with the count split among them
E.g. lol(5) and lol(7), and if you click on lol,
you'll see 12 items.

This patch aggretages them (not a heavy operation),
but I wonder how this should be done properly.
Merge branch 'weird-tag-fix' into deployment