2014-02-10: FIX API breakage: Mercurial 2.8.2 requires the _capabilities() tip

FIX API breakage: Mercurial 2.8.2 requires the _capabilities() method for repositories.

diff --git a/infocalypse/freenetrepo.py b/infocalypse/freenetrepo.py
--- a/infocalypse/freenetrepo.py
+++ b/infocalypse/freenetrepo.py
@@ -52,6 +52,9 @@ class freenetrepo(peerrepository):
     def branches(self, nodes):
         return []
 
+    def _capabilities(self):
+        return self.capabilities
+
 instance = freenetrepo
 
 def islocal(path):