Release Notes - JBoss Serialization - Version 1.0.3 GA

## Bug

- [JBSER-86] - The distribution jar manifest contains obsolete version information
- [JBSER-87] - dataOutput.close being called twice on JBossObjectOutputStream
- [JBSER-89] - StringUtil UTF size calculation fails for Strings of between 32K and 64K in size (but accurate again for larger Strings)

## Feature Request

- [JBSER-88] - DataContainer.clone method