Log message:
replace by apache-commons-lang

Log message:
Import java-commons-lang-2.5 as wip/java-commons-lang.

The Lang Component contains a set of Java classes that provide helper methods
for standard Java classes, especially those found in the java.lang package
in the Sun JDK. The following classes are included:

 * StringUtils - Helper for java.lang.String.
 * CharSetUtils - Methods for dealing with CharSets, which are sets of
   characters such as [a-z] and [abcdez].
 * RandomStringUtils - Helper for creating randomised Strings.
 * NumberUtils - Helper for java.lang.Number and its subclasses.
 * NumberRange - A range of numbers with an upper and lower bound.
 * ObjectUtils - Helper for java.lang.Object.
 * SerializationUtils - Helper for serializing Objects.
 * SystemUtils - Utility class defining the Java system properties.
 * NestedException package - A sub-package for the creation of nested
   exceptions.
 * Enum package - A sub-package for the creation of enumerated types.
 * Builder package - A sub-package for the creation of equals, hashCode,
   compareTo and toString methods.