Fix V734 warnings from PVS-Studio Static Analyzer (OGRECave#558)

An excessive check.

Light: deprecate node-less positioning

same rationale like for camera. setDirection is only soft-deprected for
now due to the inconsistent default direction between SceneNode (0,0,-1)
and Light (0, 0, 1).

Merge pull request OGRECave#467 from paroj/vaofix

Vaofix

patch version++

CMake: fix native IOS build

OGRE-548 #close applied suggested changes

SdkSample: fix yaw axis by default

Samples: DeferredShading - fix GLSLES shaders

update 1.10 Notes [ci skip]

Merge pull request OGRECave#284 from paroj/samples

Samples

SdkTrays: update backdrop and logo for the fork