Can log out and fixed some UI elements
Drawings on stream page now sort by reverse date created
Merge pull request #17 from wendinglu/login

Login
stream gets posts per drawing, not per conversation, fixed conversation id sending bugs in draw.js, draw.jade, created conversation-animator to handle animations for multi drawing conversations; as of right now it handles just handles rendering for each conversation
animation of conversations work, conversation structure integragred in stream
added a modified field to Conversation schema; stream now prints in order of most recently modified conversation