3dmark backlog updates

[LiYueqian-James]

• supporting more benchmarks: timespy, timespy_extreme, portroyal, speedway, directxraytracing, and picexpress
• updated docs on how to package 3dmark properly.
• made psExec session an optional parameter, with -1 means not using PsExec at all.
• also some small changes on the error handling of specviewperf and blender.