[models:citizen] - Rename mapByProperty to pluck
[db-api:comment] - Edit `.getFor()` method params
[db-api:proposal] - Rename `mapByProperty` to `pluck`
[db-api:proposal] - Add `.comments` method to retrieve comments for proposal
[db-api:law] - Rename `mapByProperty` to `pluck`
[db-api:law] - Add `.comment()` and `.comments()` methods to API
[models:comment] - Update context options
[models:law] - Add `.title` and `.content` virtuals
[law] - Add '/law/:id/comments' API endpoint
[law] - Update log
[law] - Update view
[proposal-article] - Update template
[proposal-list] - Change list item href
[proposal] - Use of new db-api:proposal API method `.comments()`