Changed POM ArtifactId to represent the library is different to the normal Model.
Added TranslatedContentSpec entity and added reference to that entity in CSTranslatedNode
Renamed Translated Content Spec Node and Translated Node String entities. Fixed a bug with getting translated nodes from a CSNode. Added methods to get translations from the ContentSpec class.
Merge branch 'hibernate3-devel' into devel

Conflicts:
	src/main/java/org/jboss/pressgang/ccms/model/contentspec/ContentSpec.java
Changed NotNull import to the right class for Hibernate 4.
Undone changed from merge, that shouldn't have occurred.
Added @NotBlank validation to all entity names/titles. Added custom error messages for topics.
Added helper methods for adding and removing TranslatedTopicStrings
Fixed a merge issue.
Added @NotBlank Validator. Fixed references to use hibernate @NotNull from merging.
Added custom validation error messages
Changed some fields to use tinyint instead of int.
Added Liquibase changelogs.
Fixed merge issues.