Basic moderation features

[mattbdean]

New classes:

• ModerationReference
• ModLogPaginator, ModLogPaginator.Builder
• ModQueuePaginator, ModQueuePaginator.Builder

New endpoints:

• [x] GET [/r/{subreddit}]/about/log
• [ ] GET [/r/{subreddit}]/about/{location}
• [ ] POST [/r/{subreddit}]/api/accept_moderator_invite
• [ ] POST /api/approve
• [ ] POST /api/distinguish
• [ ] POST /api/ignore_reports
• [ ] POST /api/leavecontributor
• [ ] POST /api/leavemoderator
• [ ] POST /api/mute_message_author
• [ ] POST /api/remove
• [ ] POST /api/unignore_reports
• [ ] POST /api/unmute_message_author

// SubredditReference.kt
fun moderate(): ModerationReference

// ModerationReference.kt
fun log(actionType: String? = null, moderator: String? = null): ModLogPaginator
fun queue(location: String): ModQueuePaginator
fun acceptModeratorInvite()
fun approve(fullName: String)
fun remove(fullName: String, spam: Boolean? = null)
fun ignoreReports(fullName: String)
fun unignoreReports(fullName: String)
fun leaveContributor(subredditFullName: String)
fun leaveModerator(subredditFullName: String)
fun muteAuthorOf(messageFullName: String)
fun unmuteAuthorOf(messageFullName: String)