temporary fix to #891, model.id() isn't working for some reason.

Provide custom `helpers.uuid()` function until I can figure this out

src/app/helpers.coffee

@@ -2,6 +2,12 @@ moment = require 'moment'
 _ = require 'underscore'
 algos = require './algos'
 
+uuid = ->
+  "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace /[xy]/g, (c) ->
+    r = Math.random() * 16 | 0
+    v = (if c is "x" then r else (r & 0x3 | 0x8))
+    v.toString 16
+
 # Absolute diff between two dates
 daysBetween = (yesterday, now, dayStart) ->
   #sanity-check reset-time (is it 24h time?)
@@ -162,4 +168,4 @@ viewHelpers = (view) ->
     return false unless messages?.length > 0
     messages && messages[0].id != lastMessageSeen
 
-module.exports = { viewHelpers, removeWhitespace, randomVal, daysBetween, dayMapping, username }
+module.exports = { viewHelpers, removeWhitespace, randomVal, daysBetween, dayMapping, username, uuid }

src/app/party.coffee

@@ -1,4 +1,5 @@
 _ = require('underscore')
+helpers = require './helpers'
 
 partyUnsubscribe = (model, cb) ->
   if window?
@@ -165,7 +166,7 @@ module.exports.app = (appExports, model, app) ->
     # Check for non-whitespace characters
     return unless /\S/.test text
     chat.unshift
-      id: model.id()
+      id: helpers.uuid() #FIXME model.id() isn't working, temporary solution https://github.com/lefnire/habitrpg/issues/891#issuecomment-17458776
       uuid: user.get('id')
       contributor: user.get('backer.contributor')
       npc: user.get('backer.npc')

src/app/tasks.coffee

@@ -9,32 +9,24 @@ module.exports.app = (appExports, model) ->
 
   appExports.addTask = (e, el, next) ->
     type = $(el).attr('data-task-type')
-    list = model.at "_#{type}List"
     newModel = model.at('_new' + type.charAt(0).toUpperCase() + type.slice(1))
     text = newModel.get()
     # Don't add a blank task; 20/02/13 Added a check for undefined value, more at issue #463 -lancemanfv
-    if /^(\s)*$/.test(text) || text == undefined
-      console.error "Task text entered was an empty string."
-      return
+    return if /^(\s)*$/.test(text) || text == undefined
 
-    newModel.set ''
+    #FIXME model.id() isn't working, temporary solution https://github.com/lefnire/habitrpg/issues/891#issuecomment-17458776
+    newTask = {id: helpers.uuid(), type: type, text: text, notes: '', value: 0}
     switch type
-
       when 'habit'
-        list.unshift {type: type, text: text, notes: '', value: 0, up: true, down: true}
-
+        newTask = _.defaults {up: true, down: true}, newTask
       when 'reward'
-        list.unshift {type: type, text: text, notes: '', value: 20 }
-
+        newTask = _.defaults {value: 20}, newTask
       when 'daily'
-        list.unshift {type: type, text: text, notes: '', value: 0, repeat:{su:true,m:true,t:true,w:true,th:true,f:true,s:true}, completed: false }
-
+        newTask = _.defaults {repeat:{su:true,m:true,t:true,w:true,th:true,f:true,s:true}, completed: false }, newTask
       when 'todo'
-        list.unshift {type: type, text: text, notes: '', value: 0, completed: false }
-
-  # list.on 'set', '*.completed', (i, completed, previous, isLocal) ->
-  # # Move the item to the bottom if it was checked off
-  # list.move i, -1  if completed && isLocal
+        newTask = _.defaults {completed: false }, newTask
+    model.unshift "_#{type}List", newTask
+    newModel.set ''
 
   appExports.del = (e, el) ->
     # Derby extends model.at to support creation from DOM nodes