liq| x64| dependence| aqsis|: DebugLib_x64
liq| x64| er|: build M2R2012Debug
liq| rm| rmSHADER_user|: 3. remove RSL::Visitor::getInstancePtr(), which leads a crash when you render with renderman twice.

NOTE: these interfaces added in this commit will be replaced by a better design(refactoring) in the future:
- renderman::Factory::getVisitor();
- liquid::RendererMgr::getInstancePtr()->getFactory();
liq| rm| rmSHADER_user|: 4. +rmFlat shader node