fixed checkstyle errors and warnings

Author: autermann

src/main/java/org/n52/janmayen/NcName.java

@@ -174,14 +174,6 @@ public boolean isValid() {
         return isValid(this.name);
     }
 
-    public void makeValid(char replacement) {
-        this.name = makeValid(name, replacement);
-    }
-
-    public void makeValid() {
-        this.name = makeValid(name);
-    }
-
     /**
      * Checks if {@code name} is a valid NCName.
      *
@@ -201,6 +193,14 @@ public static boolean isValid(String name) {
         return true;
     }
 
+    public void makeValid(char replacement) {
+        this.name = makeValid(name, replacement);
+    }
+
+    public void makeValid() {
+        this.name = makeValid(name);
+    }
+
     /**
      * Replaces all invalid characters in {@code name} with {@code replacement}.
      *

src/main/java/org/n52/janmayen/function/Consumers.java

@@ -27,7 +27,7 @@
  *
  * @author Christian Autermann
  */
-public class Consumers {
+public final class Consumers {
 
     private Consumers() {
     }