We keep gazing at the SEC filings of US software based encoder player Envivio. We noted back in February that it took quietly took $16.5 million on board in a private placement involving companies like Marlin Equity Partners, Atlantic Bridge Ventures, Crescendo Ventures, HarbourVest Partners and Sageview Capital. And this week it has filed an amended registration statement, although one that mentions no specific amount of cash so far. There is no reason for a private company to re-state its more recent financials unless it plans to go ahead and raise something closer the $60 million it had in mind when it first put its registration statement up in an IPO. It now has 30 days to act on the…