OpenCV verison incremented

OpenCV Manager verison incremeneted;
Docs and tests updated accordingly;
COnstant for Manager initialization added.

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

@@ -22,6 +22,12 @@ public class OpenCVLoader
      */
     public static final String OPENCV_VERSION_2_4_4 = "2.4.4";
 
+    /**
+     * OpenCV Library version 2.4.5.
+     */
+    public static final String OPENCV_VERSION_2_4_5 = "2.4.5";
+
+
     /**
      * Loads and initializes OpenCV library from current application package. Roughly, it's an analog of system.loadLibrary("opencv_java").
      * @return Returns true is initialization of OpenCV was successful.