“Luminarium” is, perhaps, the “L’Etranger” of America’s 21st century. It is a quintessential existential appraisal of life in the jet stream; a marvelous re-examining of all that Americans hold dear in our fast-paced, ambitious, over-eager, petty little lives. “Luminarium” follows the life of Fred Brounian – whose identical twin brother has fallen into a coma…