Implemented basic features
Refactored model monitoring to use NgModelController.$parsers
Refactored tests to use directive's scope methods in order to set up test scenarios
Implemented downward navigation
Implemented upward navigation
Implemented suggestion addition when the enter key is pressed
Added CSS file
Added test page
Made some refactorings
Implemented hotkey event propagation handling
Added test to ensure that the selected suggestion is set to null after being added to the input field
Added Grunt support