fix for #14713: RSSDirectory Reading of Boxee Genre Incorrect
[epg] fix: hide progress indicator if go forward in time
fixed: We can't grab the duration from the streamdetails for stacks
[GLES] Fix for SBS rendering and cached viewport

I've also changed the unused function CLinuxRendererGLES::RenderMultiPass
to use the caching wrapper for SetViewPort.
Makes no odds now, but may avoid a problem if it's enabled in future.
Revert "Ensure that the decoder is init once only."

This reverts commit 6d637d4801095acfe5b6a7e56f446aa2e4602bfa.
[pvr] add missing lock in IsConnectedClient()
[pvr] remove unnecessary explicit namespace usage
[pvr] actually use the PVR_CLIENT typedef
[pvr] use const iterator whenever possible
[pvr] reuse some code by adding a QueueJob() method
[pvr] add IsStopping() and IsStopped methods
[pvr] actually use the state helper methods
[pvr] make the state helper methods inline
UPnPFile: remove usage of not required SAFE_DELETE
CDDARipJob: add include of "system.h"
EpgDatabase: add include of "system.h"
XBDateTime: add missing includes
CArchive: huge reduce of included headers by including "PlatformDefs.h" instead of "system.h"
CArchive: unify all streamin and all streamout, add error checks
zero partial read content
Merge pull request #3759 from Karlson2k/CArchive_incl_clean_01

CArchive include cleanup