Merged in graham_linden/viewer-eep-rc-fixes (pull request #361)

indra/llinventory/llsettingssky.cpp

indra/llinventory/llsettingssky.h

...newview/app_settings/shaders/class1/deferred/cloudsV.glsl

...iew/app_settings/shaders/class1/deferred/fullbrightF.glsl

...view/app_settings/shaders/class1/deferred/shadowUtil.glsl

indra/newview/app_settings/shaders/class1/deferred/skyV.glsl

...ew/app_settings/shaders/class1/deferred/softenLightF.glsl

...ewview/app_settings/shaders/class1/deferred/terrainF.glsl

...ewview/app_settings/shaders/class1/deferred/terrainV.glsl

...iew/app_settings/shaders/class1/environment/terrainF.glsl

...iew/app_settings/shaders/class1/environment/terrainV.glsl

...app_settings/shaders/class1/lighting/lightAlphaMaskF.glsl

...gs/shaders/class1/lighting/lightAlphaMaskNonIndexedF.glsl

.../newview/app_settings/shaders/class1/lighting/lightF.glsl

...gs/shaders/class1/lighting/lightFullbrightAlphaMaskF.glsl

...pp_settings/shaders/class1/lighting/lightFullbrightF.glsl

.../class1/lighting/lightFullbrightNonIndexedAlphaMaskF.glsl

...s/shaders/class1/lighting/lightFullbrightNonIndexedF.glsl

...ttings/shaders/class1/lighting/lightFullbrightShinyF.glsl

...ders/class1/lighting/lightFullbrightShinyNonIndexedF.glsl