videoplayer: adapt lateness detection and dropping to buffering
video player: present correct pts to user for a/v sync (after buffering in renderer)
videoplayer: update frametime, it might change due to fps detection
RunScript: execute even if addon isn't a script type addon

..for backwards compatibility. Deprecate and warn about this behaviour instead.
log when RunAddon is called with invalid addon id/type and no addon will be started
[skininfo] fix uninitialized members in CSkinsInfo constructor

Fixes coverity CID 719106
[pvr] fix possible resource leak in channels osd dialog

Fixes coverity CID 1223318
[pvr] fix uninitialized members in CPVRGUIInfo constructor

Fixes coverity CID 1228840
[settings] fix possible null ptr dereference in CGUIDialogSettingsBase::SetupControls

Fixes coverity CID 1215664
[paplayer] fix possible resource leak in QueueNextFileEx

Fixes coverity CID 1126041
[cpuinfo] fix possible divide-by-zero

Fixes coverity CID 1238515
[nfsfile] fix arg type mismatch

Fixes coverity CID 1250595
[rendermanager] fix possible null ptr dereference in CXBMCRenderManager::GetOptimalBufferSize()

Fixes coverity CID 1243594
[vaapi] fix missing break in switch
AESinkALSA: Set correct value for AES3 when using HBR mode

According to the HDMI 1.4a document, the only acceptable value
for AES3 in HBR mode is 0x09, which corresponds to a frame rate
of 768000. Some sinks or drivers ignore this, but some do not.
AESinkALSA: Allow fragmentation, e.g. even multiply of PeriodSize
renderer: use 3 render buffers for sw decoding, restores bahavior after 71f50d3677409a3ba3f8533daae105e6e0366a1
Merge pull request #5682 from fritsch/cubox

AE: Some fixes for the Cubox hardware
Merge pull request #5689 from FernetMenta/renderbuffers

renderer: use 3 render buffers for sw decoding, restores bahavior after ...
FIX: must return true after setting update