Rating directive that will take care of visualising a star rating bar.

• max $ C (Default: 5) - Changes the number of icons.

• ng-model $ - The current rate.

• on-hover(value) $ - An optional expression called when user's mouse is over a particular icon.

• on-leave() $ - An optional expression called when user's mouse leaves the control altogether.

• rating-states $ (Default: null) - An array of objects defining properties for all icons. In default template, stateOn & stateOff property is used to specify the icon's class.

• read-only $ (Default: false) - Prevent user's interaction.

• titles $ C (Default: ['one', 'two', 'three', 'four', 'five']`) - An array of strings defining titles for all icons.

• enable-reset $ (Default: true) - Clicking the icon of the current rating will reset the rating to 0.

• state-off $ C (Default: null) - A variable used in the template to specify the state for unselected icons.

• state-on $ C (Default: null) - A variable used in the template to specify the state (class, src, etc) for selected icons.