updated changes to meet contributing guidlines

Author: ARajan1084

src/com/codefortomorrow/intermediate/chapter11/practice/Methods.java renamed to src/com/codefortomorrow/intermediate/chapter11/practice/Average.java

@@ -1,6 +1,6 @@
 package com.codefortomorrow.intermediate.chapter11.practice;
 
-public class Methods {
+public class Average {
 
     /**
      * Difficulty: 1
@@ -13,14 +13,4 @@ public class Methods {
     public static double average(double a, double b) {
         return 0.0; //TODO: Fix!
     }
-
-    /**
-     * Difficulty: 1
-     *
-     * Print the first n even integers
-     * @param n number of even integers to print
-     */
-    public static void printEvens(int n) {
-
-    }
 }

src/com/codefortomorrow/intermediate/chapter11/practice/PrintEvens.java

@@ -0,0 +1,13 @@
+package com.codefortomorrow.intermediate.chapter11.practice;
+
+public class PrintEvens {
+    /**
+     * Difficulty: 1
+     *
+     * Print the first n even integers
+     * @param n number of even integers to print
+     */
+    public static void printEvens(int n) {
+
+    }
+}

src/com/codefortomorrow/intermediate/chapter11/solutions/Average.java

@@ -0,0 +1,18 @@
+package com.codefortomorrow.intermediate.chapter11.solutions;
+
+public class Average {
+
+    /**
+     * Difficulty: 1
+     *
+     * Returns the average of two doubles
+     * @param a the first double
+     * @param b the second double
+     * @return average
+     */
+    public static double average(double a, double b) {
+        return (a + b)/2;
+    }
+
+
+}

src/com/codefortomorrow/intermediate/chapter11/solutions/Methods.java renamed to src/com/codefortomorrow/intermediate/chapter11/solutions/PrintEvens.java

@@ -1,19 +1,6 @@
 package com.codefortomorrow.intermediate.chapter11.solutions;
 
-public class Methods {
-
-    /**
-     * Difficulty: 1
-     * 
-     * Returns the average of two doubles
-     * @param a the first double
-     * @param b the second double
-     * @return average
-     */
-    public static double average(double a, double b) {
-        return (a + b)/2;
-    }
-
+public class PrintEvens {
     /**
      * Difficulty: 2
      *