Layout and spacing changes for AllApps/Customization drawer

- Also fixing issue where preview images in the customization drawer were not being scaled down

Change-Id: I83d1abf019d591954204b87a437eac2ff916dd54
diff --git a/src/com/android/launcher2/AllAppsPagedView.java b/src/com/android/launcher2/AllAppsPagedView.java
index 149f9fb..351384f 100644
--- a/src/com/android/launcher2/AllAppsPagedView.java
+++ b/src/com/android/launcher2/AllAppsPagedView.java
@@ -94,6 +94,12 @@
     }
 
     @Override
+    protected void init() {
+        super.init();
+        mCenterPagesVertically = false;
+    }
+
+    @Override
     public void setLauncher(Launcher launcher) {
         mLauncher = launcher;
         mLauncher.setAllAppsPagedView(this);