#88 Added Checkstyle to project

src/main/java/strman/Strman.java

@@ -1152,7 +1152,6 @@ public abstract class Strman {
      *
      * @param input The string to convert
      * @return The converted string
-     * @throws IllegalArgumentException
      */
     public static String lowerFirst(final String input) throws IllegalArgumentException {
         if (input == null) {

src/test/java/strman/StrmanTests.java

@@ -26,11 +26,11 @@
 
 package strman;
 
+import java.util.*;
+
 import org.junit.Ignore;
 import org.junit.Test;
 
-import java.util.*;
-
 import static java.util.Arrays.asList;
 import static java.util.Collections.singletonList;
 import static java.util.stream.Collectors.toList;