refactor(package.json): update devDependencies
refactor(baseRepository.js): rename some functions to match the mongo driver names (find, findOne, insert, remove, count)

- create an index when a property in the schema has the setting index: true
- create an unique index when a property in the schema has the setting unique: true
- add .jshintrc to store the jshint settings
fix(readme): update readme