added mountmaster support

inventoryCtrl: Changed Matt to show 90 mounts instead of 180
notificationCtrl: added mountmaster achievement test
userCtrl: added scope.profile.mountCount
user.js: added fields for mountMaster and mountMasterCount (not used
yet),  mountCount function
modals/achievements.jade - added modal dialog for mountmaster (note:
wolf graphic was not available locally)
profiles/achievements - jade  - mountmaster added
stats.jade -- uncommented broken Mounts Tamed section, since it works
now

src/models/user.js

@@ -36,6 +36,8 @@ var UserSchema = new Schema({
     ultimateGear: Boolean,
     beastMaster: Boolean,
     beastMasterCount: Number,
+    mountMaster: Boolean,
+    mountMasterCount: Number,
     veteran: Boolean,
     snowball: Number,
     spookDust: Number,
@@ -412,6 +414,16 @@ UserSchema.pre('save', function(next) {
   if (petCount >= 90 || this.achievements.beastMasterCount > 0) {
     this.achievements.beastMaster = true
   }
+// mountmaster stuff starts
+ var mountCount = shared.countMounts(_.reduce(this.items.mounts,function(m,v){
+    //HOTFIX - Remove when solution is found, the first argument passed to reduce is a function
+    if(_.isFunction(v)) return m;
+    return m+(v?1:0)},0), this.items.mounts);
+
+  if (mountCount >= 90 || this.achievements.mountMasterCount > 0) {
+    this.achievements.mountMaster = true
+  }
+// mountmaster stuff ends
 
   // TODO remove this after 11/01
   if (!this.items.pets['JackOLantern-Base'] && moment().isBefore('2014-11-01'))