Updated version number to 2.7.3.final

Updated version number for Scala 2.7.2.final

corrected packaging of four distribution

released Scala 2.6.1-final

released Scala 2.6.0-final

released version 2.5.1-final

released Scala 2.5.0-final

released Scala 2.4.0-final

updated copyright date and address of Scala web...

updated copyright date and address of Scala website

updated copyright date