only listen for composition event when has filters, use fork for vinyl-fs, update travis script

.travis.yml

@@ -5,11 +5,6 @@ branches:
   only:
     - master
 before_install:
-  - npm install -g grunt-cli component
-  - git clone git://github.com/n1k0/casperjs.git ~/casperjs
-  - cd ~/casperjs
-  - git checkout tags/1.1-beta1
-  - export PATH=$PATH:`pwd`/bin
-  - cd -
+  - npm install -g grunt-cli component phantomjs casperjs
 before_script:
   - component install

package.json

@@ -32,7 +32,7 @@
     "shell-task": "~0.1.1",
     "map-stream": "0.0.4",
     "uglify-js": "~2.4.8",
-    "vinyl-fs": "git://github.com/wearefractal/vinyl-fs",
+    "vinyl-fs": "git://github.com/yyx990803/vinyl-fs",
     "gulp-component": "~0.1.3"
   }
 }

src/directives/model.js

@@ -20,22 +20,24 @@ module.exports = {
                 ? 'change'
                 : 'input'
 
-        // determin the attribute to change when updating
+        // determine the attribute to change when updating
         var attr = self.attr = type === 'checkbox'
             ? 'checked'
             : (tag === 'INPUT' || tag === 'SELECT' || tag === 'TEXTAREA')
                 ? 'value'
                 : 'innerHTML'
 
-        var compositionLock = false
-        this.cLock = function () {
-            compositionLock = true
+        if (self.filters) {
+            var compositionLock = false
+            this.cLock = function () {
+                compositionLock = true
+            }
+            this.cUnlock = function () {
+                compositionLock = false
+            }
+            el.addEventListener('compositionstart', this.cLock)
+            el.addEventListener('compositionend', this.cUnlock)
         }
-        this.cUnlock = function () {
-            compositionLock = false
-        }
-        el.addEventListener('compositionstart', this.cLock)
-        el.addEventListener('compositionend', this.cUnlock)
 
         // attach listener
         self.set = self.filters
@@ -118,8 +120,10 @@ module.exports = {
     unbind: function () {
         var el = this.el
         el.removeEventListener(this.event, this.set)
-        el.removeEventListener('compositionstart', this.cLock)
-        el.removeEventListener('compositionend', this.cUnlock)
+        if (this.filters) {
+            el.removeEventListener('compositionstart', this.cLock)
+            el.removeEventListener('compositionend', this.cUnlock)
+        }
         if (isIE9) {
             el.removeEventListener('cut', this.onCut)
             el.removeEventListener('keyup', this.onDel)