Pickup latest gotham backports/bugfixes to PVR addons for inclusion in G...

...otham 13.2 Beta releases

This PR is to generate discussion about updating the PVR addons in Gotham 13.2 Beta builds to pull in the backports/bugfixes that have occured since the last inclusion.

The last PVR addon inclusion in XBMC was the 26 April and is actually based on the pvr-addons tag gotham_rc1 (which is actually a couple of commits prior to the Gotham 13.0 tag in PVR repo).

All outstanding gotham PR's in pvr repo have now been merged, and since XBMC Gotham 13.2 beta releases are still occuring it seems like it could be a good time to do this?

Approximately 10 PVR commits will be pulled into XBMC with this change: