Model Validations, Grunt and cleanup related stuff

• chore(readme): Badges, Documentation links etc
• refactor(module): Correctly export new model class
• Update .jshintrc
• Update readme.md
• feat(types): Expanded available model data types
• fix(connection): Wait for the mongo connection to start before emitting the Module.ready event
• feat(db): Rebase and Seed commands for ODM
• fix(grunt): No longer need NODE_PATH set when running db commands
• refactor(validators): No longer directly use mongoose validations