By Alastair Sharp TORONTO (Reuters) – A tiny Montreal company is turning to crowdfunding in hopes of moving its virtual reality headset from a working prototype to a mass produced rival to products from Facebook, Samsung and Sony. Vrvana Inc aims to raise C$350,000 ($318,000) via website Kickstarter to make the first 1,000 units of its Totem headset, it said ahead of the month-long campaign’s launch on Tuesday. The seven-person team hopes game developers will snap up the C$400-and-up product early to create the ecosystem needed to ensure success. …