Many of these issues you should be able to remediate with the help of your RA. And there is just a month left in the semester so hopefully you have a better situation lined up for next year.
Your social issues in college seem to extend beyond your roommate situation http://talk.collegeconfidential.com/college-life/2136024-two-years-into-college-and-i-am-still-completely-alone.html#latest I would take the advice given on that thread and seek out counseling on campus. You can discuss your roommate issues with a counselor as well.