improve javadoc
adds maven-javadoc-plugin to parent pom.xml
creates the interface ConverterMatcher so ConverterInterface are not limited anymore
creates ManyToOne and OneToMany annotations
creates Converter abstract class
creates criteria API
creates SqlCriteriaPrinter
creates DialectInterface#read(Metadata, CriteriaInterface)
creates DatabaseInterface#find(Class, CriteriaInterface) and DatabaseInterface#find(Class, String, Object)