All it takes is one mention of the phrase “found footage” to elicit a reaction typically leaning in the direction of an eye roll. For decades, this genre, once brimming with promise, having produced now-classics ranging from the likes of “Cannibal Holocaust,” “The Blair Witch Project” and “Cloverfield” has worked its way into an oversaturated avalanche crushed under the weight of countless imitators and slew of “Paranormal Activity” follow-ups.