Add JSF configuration.
Add configuration for CloudBees
Use XML configuration file for paste types configuration.
Use JSF instead of JSP to display the (empty) index page.
Fix some bugs in JPA annotations and enhance configuration.
Use Jackson-Feature in conjunction with JAX-RS to (de)serialize XML/JSON contents.
Add more configuration options.
Remove copyright duplicates.
Remove client-side persistence.xml

transaction-type default to JTA in JavaEE environments and is set to RESOURCE_LOCAL when running JavaSE, so there is no need for different persistent unit definitions.
Add auto-generated ID field to PasteType entities.
Fix client API concerning paste types.