Update links to Pykka web site

docs/api/frontends.rst

@@ -7,7 +7,7 @@ The following requirements applies to any frontend implementation:
 - A frontend MAY do mostly whatever it wants to, including creating threads,
   opening TCP ports and exposing Mopidy for a group of clients.
 - A frontend MUST implement at least one `Pykka
-  <http://jodal.github.com/pykka/>`_ actor, called the "main actor" from here
+  <http://pykka.readthedocs.org/>`_ actor, called the "main actor" from here
   on.
 - It MAY use additional actors to implement whatever it does, and using actors
   in frontend implementations is encouraged.

docs/changes.rst

@@ -261,7 +261,7 @@ loading from Mopidy 0.3.0 is still present.
 
 **Important changes**
 
-- Mopidy now depends on `Pykka <http://jodal.github.com/pykka>`_ >=0.12. If you
+- Mopidy now depends on `Pykka <http://pykka.readthedocs.org/>`_ >=0.12. If you
   install from APT, Pykka will automatically be installed. If you are not
   installing from APT, you may install Pykka from PyPI::
 

docs/installation/index.rst

@@ -25,7 +25,7 @@ Otherwise, make sure you got the required dependencies installed.
 
 - Python >= 2.6, < 3
 
-- `Pykka <http://jodal.github.com/pykka/>`_ >= 0.12.3
+- `Pykka <http://pykka.readthedocs.org/>`_ >= 0.12.3
 
 - GStreamer >= 0.10, with Python bindings. See :doc:`gstreamer`.