I too am looking to do this dual boot setup, I followed the instructions in the readme but I'm not sure what is supposed to happen after that? I'm not sure how to get pimame to open, also, what will I need to do to have it open directly on boot? I apologize in advance, I've spent over an hour searching various forums, I generally hate having to ask noob questions (although I am indeed a noob)
Quick followup, I retried the install with NOOBS and followed instruction. The mistake I made the first time was by modifying raspbian to automatically boot into the gui. You have to keep the default which boots into the command line. Works like a charm now! Thanks!