Mavenized the PAMGUARD project. 

 - moved the source code and resource under maven folder structure. 
 - made all source code UTF-8 compatible (there were several files that could not be compiled because files contained invalid encoding).
 - removed unused imports of old sun packages.
 - replaced JDK sun internal ByteOutputStream with public  ByteArrayOutputStream API. 
 - added a unit test stub. 
 - moved jar libs under lib/jars
 - moved natvie libs  under lib/natives
 - removed obsoliete .classpath
 - move database related files under data