add context Holder and remove guide condition

foudations/mogo-commons/src/main/java/com/mogo/commons/context/ContextHolderUtil.java

@@ -0,0 +1,20 @@
+package com.mogo.commons.context;
+
+import android.content.Context;
+
+public class ContextHolderUtil {
+
+    private static Context mContext;
+
+    public static void holdContext(Context context) {
+        mContext = context;
+    }
+
+    public static void releaseContext() {
+        mContext = null;
+    }
+
+    public static Context getContext(){
+        return mContext;
+    }
+}