fix: download script failed when dir does not exist

app/build.gradle

@@ -92,12 +92,19 @@ dependencies {
         exclude group: 'com.afollestad.material-dialogs'
         exclude group: 'com.android.support'
     })
+    //MultiLevelListView
     compile 'com.github.hyb1996:android-multi-level-listview:1.1'
+    //Licenses Dialog
     compile 'de.psdev.licensesdialog:licensesdialog:1.8.1'
+    //Expandable RecyclerView
     compile 'com.bignerdranch.android:expandablerecyclerview:3.0.0-RC1'
+    //FlexibleDivider
     compile 'com.yqritc:recyclerview-flexibledivider:1.4.0'
+    //???
     compile 'com.wang.avi:library:2.1.3'
+    //Commons-lang
     compile 'org.apache.commons:commons-lang3:3.6'
+    //Expandable RecyclerView
     compile 'com.thoughtbot:expandablerecyclerview:1.3'
     compile('com.github.hyb1996:FloatingCircularActionMenu:0.0.4')
     compile 'com.github.hyb1996:Auto.js-ApkBuilder:1.0.1'
@@ -123,12 +130,12 @@ dependencies {
     compile 'joda-time:joda-time:2.9.9'
     // Tasker Plugin
     compile 'com.twofortyfouram:android-plugin-client-sdk-for-locale:4.0.3'
+    // Flurry
     compile 'com.flurry.android:analytics:7.0.0@aar'
+    // MaterialDialogCommon
     compile('com.afollestad.material-dialogs:commons:0.9.2.3', {
         exclude group: 'com.android.support'
     })
-    compile 'com.rengwuxian.materialedittext:library:2.0.3'
-    compile 'org.msgpack:msgpack-core:0.8.11'
     compile project(':automator')
     compile project(':common')
     compile project(':autojs')