Merge pull request #25 from ysshah/thomas

Thomas
Updated README checklist
Merge pull request #26 from ysshah/yashLocal

Updated README checklist
Updated README body.
Merge pull request #27 from ysshah/yashLocal

Updated README body.
Updated README body ACCORDING TO THE SPEC. Whoops.
Merge pull request #28 from ysshah/yashLocal

Updated README body ACCORDING TO THE SPEC. Whoops.
Updated README - the spacing was messed up. Agh.
Merge pull request #29 from ysshah/yashLocal

Updated README - the spacing was messed up. Agh.
Fixed the upvote/downvote functionality to error if user isn't logged in or if the user has already voted on that plot. Also made the homepage display all plots by all users, sorted by karma (upvotes - downvotes).
Merge pull request #30 from ysshah/yashLocal

Fixed the upvote/downvote functionality to error if user isn't logged in...
finished 5/8 tests, still need 3 tests for gridscontroller