ENH: Update ImageMath build and installation process
ENH: Update ImageMath build and installation process

bpaniagua/SPHARM-PDM,bpaniagua/SPHARM-PDM,NIRALUser/SPHARM-PDM,NIRALUser/SPHARM-PDM,bpaniagua/SPHARM-PDM,NIRALUser/SPHARM-PDM