There’s a brand new FreePak that’s been just released for your favorite Hipstmatic app. The new Gangster Squad FreePak was inspired by the forthcoming Gangster Squad movie, set in the 1940’s, starring Josh Brolin, Ryan Gosling and Sean Penn as notorious mobster Mickey Cohen, with Nick Nolte and Emma Stone. This release is part of a competition where you could win a brand spankin’ Canon EOS 5D Mark III! So, to be in with a chance of winning that, firstly, go and download this freePak within your app. Then get using it and submit your best photos between November 20-December 5th. If you’re picked as the winner you’re in for…