New FileMonitor and IFileChangeListener to be notified of file changes.
Upgraded Apache HttpClient to 4.3.1.
Refactored URLStreamer code to accomodate Apache HttpClient 4.3.x
- New YearMonthDay class for a local date without time.
- New YearMonthDayInterval (and unit test) class for a local date range
without time.
- New FileMonitor and IFileChangeListener to be notified of file
changes.
- Upgraded Apache HttpClient to version 4.3.2 and Apache Commons 
- Configuration to 1.10.  Refactored affected code.
New methods on FileUtil: 
  #visitEmptyDirs(File, IFileVisitor)
  #visitEmptyDirs(File, IFileVisitor, FileFilter)
  #visitAllDirs(File, IFileVisitor, FileFilter)
 New method FileUtil#deleteEmptyDirs(File, Date)
Code cleanup.
Replaced package.html with package-info.java.
Removed junit dependency in ConfigurationUtil.
Redid product site.
Supressed deprecation warnings.
Prepare for release.
Prepare for release.
Prepare for release.