liq|: +liq_RendererName.mel, replace liquid renderer name "liquid" with 'liq_getRendererName()', adapt automation test scripts.
liq| mel|: move liquidMayaVersionOverwrite(),  and called in liquidLoadScripts()
liq| mel|: regist liquid renderer in liquidStartup_elvishray() and liquidStartup_renderman()
liq| mel|: refactoring registerLiquidRenderer()
liq| mel|: refactoring registerLiquidRenderer()
liq| mel|: +scriptJob ... liqRendererChanged()
liq|: trivial
liq|: trivial, omit unused functions
liq|: no "liquid" renderer anymore, and I regist ElvishRender and renderman as two renderers
liq|: bugfix: the UI of display driver(AOV) can't be shown.