…perf hostconfig and compile RAJAPerf

… the flux tutorial; this is baseline before we turn spack builds back on

…k install raja%gcc@10.4.0 and setup spack environment; still have issue installing raja%clang due to non-standard install locations of conda clang compilers

…or OpenMP header/lib to satify search include,ld,ldconfig when in conda env; raja clang and gcc variants are now installed

…or PI Calculation

… graphing script); add empty notebooks for TOC Navigation test

…olybench-cov source for base,lamda,raja seq variants, but does not inject source into skeletals

… parsing flow. It does work to save cell output code

…et dependencies, and RAJAPerf commit that works with this tutorial version