Normalize to US English spelling.

Author: garydgregory

src/main/java/org/apache/commons/cli/CommandLine.java

@@ -493,7 +493,7 @@ public Option[] getOptions()
     {
         final Collection<Option> processed = options;
 
-        // reinitialise array
+        // reinitialize array
         final Option[] optionsArray = new Option[processed.size()];
 
         // return the array

src/main/java/org/apache/commons/cli/HelpFormatter.java

@@ -576,7 +576,7 @@ public void printHelp(final PrintWriter pw, final int width, final String cmdLin
      */
     public void printUsage(final PrintWriter pw, final int width, final String app, final Options options)
     {
-        // initialise the string buffer
+        // initialize the string buffer
         final StringBuffer buff = new StringBuffer(getSyntaxPrefix()).append(app).append(" ");
 
         // create a list for processed option groups

src/main/java/org/apache/commons/cli/Parser.java

@@ -158,7 +158,7 @@ public CommandLine parse(final Options options, String[] arguments, final Proper
             group.setSelected(null);
         }
 
-        // initialise members
+        // initialize members
         setOptions(options);
 
         cmd = new CommandLine();