Initial commit
First commit with sample database. Models from OLTP perspective.
Adding source_id to threads and posts etc.
Adding in star schema.
Removing old library folder.
Removing unnecessary log file.
Adding index file to link to schemas.
Updated readme with motivation and goal
killed empty lines in readme

make it less ugly to look at in plaintext
added coursera image
cmooc images, renamed coursera img
recreate_schems should have a hashbang directive at the top
Removing graph modeling book. Committed it by mistake.
added pg8000 instructions
changed schema slightly

-- based on conversations Pulkit & I had last week
fake data for everyone!
filled out Getting Started text in readme
updated db utils to work on conversation.lti, fixed permissions with a hacky script (setup_db_permissions.sh)
postgres-specific schema creation script
moocdb schema creation script for mysql