player can't join the game more than once
user can't join the game more than once
only one history link on the show game page
fix error where history logs with no next log freak out
removed turbolinks so that our document.ready javascript runs when we move to new pages
play game path needed slug parameter
new player found by several fields before creating
turn log saved with game id
fix find_or_create_by_all
added 3d locally to avoid conflicts

Merge branch 'master' of https://github.com/SpraggleRock/project_genesis into cleanup_multiplayer
Merge pull request #43 from SpraggleRock/cleanup_multiplayer

Cleanup multiplayer