- Added TimeBasedRolloverTest to the list of excluded tests in pom.xml as it takes as much as 12 seconds to execute
- Modified Modified ConsoleAppenderTest to output nothing on the console. In a related change, TeeOutputStream now 
  admit a null parameter in the constructor
- Moved delaying methods into DelayerUtil class
- Silent tests are beautiful.

Updated HTMLLayout test

Modified Header and Footer attributes to FileHeader and FileFooter
Updated layouts and tests accordingly

LoggerContext now implements LifeCycle

A small script to change version numbers.