Rename manager package to OpenCV3 Manager

modules/java/generator/src/java/android+AsyncServiceHelper.java

@@ -77,7 +77,7 @@ class AsyncServiceHelper
                 private LoaderCallbackInterface mUserAppCallback = Callback;
                 public String getPackageName()
                 {
-                    return "OpenCV Manager";
+                    return "OpenCV3 Manager";
                 }
                 public void install() {
                     Log.d(TAG, "Trying to install OpenCV Manager via Google Play");
@@ -123,7 +123,7 @@ class AsyncServiceHelper
                 private LoaderCallbackInterface mUserAppCallback = Callback;
                 public String getPackageName()
                 {
-                    return "OpenCV Manager";
+                    return "OpenCV3 Manager";
                 }
                 public void install()
                 {

platforms/android/service/engine/build.xml

 <?xml version="1.0" encoding="UTF-8"?>
-<project name="OpenCV Manager" default="help">
+<project name="OpenCV3 Manager" default="help">
 
     <!-- The local.properties file is created and updated by the 'android' tool.
          It contains the path to the SDK. It should *NOT* be checked into

platforms/android/service/engine/res/values/strings.xml

 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <string name="app_name">OpenCV Manager</string>
-</resources>
\ No newline at end of file
+    <string name="app_name">OpenCV3 Manager</string>
+</resources>