Added indexes to User.username and User.email
Added Annotate gem
Annotated all models
Added relationship mappings to Project, User
Added models: Notes, Commits, CommitChange, Document, DocumentVersion, DocumentReader
Added models, annotations and relationships
Fixed wrong foreign columns name
Fixed database column names, updated annotations
Fixed foreign column types. Added TaskComment model, updated annotations
mend
Added models relationships
Added secure_password on User
Added History, annotations and model relationships
Added basic model validations