Fix some mistakes and remove all references for ChatRoom

packages/rocketchat-irc/irc.server.coffee

@@ -300,7 +300,7 @@ class IrcClient
 		console.log '[irc] createDirectRoomWhenNotExist -> '.yellow, 'source:', source, 'target:', target
 		rid = [source._id, target._id].sort().join('')
 		now = new Date()
-		ChatRoom.RocketChat.models.Rooms.upsert
+		RocketChat.models.Rooms.upsert
 			_id: rid
 		,
 			$set:

packages/rocketchat-lib/server/models/Rooms.coffee

 RocketChat.models.Rooms = new class asd extends RocketChat.models._Base
 	constructor: ->
-		# @model = new Meteor.Collection 'rocketchat_room'
-		@model = @ChatRoom
+		@model = new Meteor.Collection 'rocketchat_room'
 
 		@tryEnsureIndex { 'name': 1 }, { unique: 1, sparse: 1 }
 		@tryEnsureIndex { 'u._id': 1 }

packages/rocketchat-statistics/server/functions/get.coffee

@@ -49,7 +49,7 @@ RocketChat.statistics.get = ->
 		v.avg = v.sum / v.count
 		return v
 
-	result = ChatRoom.mapReduce(m, r, { finalize: f, out: "rocketchat_mr_statistics" })
+	result = RocketChat.models.Rooms.model.mapReduce(m, r, { finalize: f, out: "rocketchat_mr_statistics" })
 
 	statistics.maxRoomUsers = 0
 	statistics.avgChannelUsers = 0

server/lib/collections.coffee

 @ChatMessage = new Meteor.Collection 'rocketchat_message'
-@ChatRoom = new Meteor.Collection 'rocketchat_room'
 @MapReducedStatistics = new Mongo.Collection 'rocketchat_mr_statistics'
 @ChatReports = new Meteor.Collection 'rocketchat_reports'

server/methods/createDirectMessage.coffee

@@ -20,7 +20,7 @@ Meteor.methods
 		now = new Date()
 
 		# Make sure we have a room
-		ChatRoom.RocketChat.models.Rooms.upsert
+		RocketChat.models.Rooms.upsert
 			_id: rid
 		,
 			$set:

server/methods/deleteUser.coffee

@@ -25,7 +25,7 @@ Meteor.methods
 		rooms = RocketChat.models.Rooms.findByUserId(userId).fetch()
 
 
-		ChatRoom.RocketChat.models.Rooms.removeByTypeContainingUsername 'd', user.username # Remove direct rooms with the user
+		RocketChat.models.Rooms.removeByTypeContainingUsername 'd', user.username # Remove direct rooms with the user
 		RocketChat.models.Rooms.removeUsernameFromAll user.username # Remove user from all other rooms
 		RocketChat.models.Users.removeById userId # Remove user from users database
 

server/startup/migrations/v6.coffee

@@ -10,7 +10,7 @@ Meteor.startup ->
 				ChatMessage.update({'rid':room._id},{'$set':{'rid':'GENERAL'}},{'multi':1})
 				RocketChat.models.Rooms.removeById(room._id)
 				delete room._id
-				ChatRoom.RocketChat.models.Rooms.upsert({'_id':'GENERAL'},{$set: room})
+				RocketChat.models.Rooms.upsert({'_id':'GENERAL'},{$set: room})
 
 
 			console.log 'End'

server/startup/migrations/v9.coffee

@@ -8,7 +8,7 @@ Meteor.startup ->
 			toMigrate = [
 				{
 					source: new Meteor.Collection 'data.ChatRoom'
-					target: ChatRoom
+					target: RocketChat.models.Rooms.model
 				}
 				{
 					source: new Meteor.Collection 'data.ChatSubscription'