** Added missing semicolon into school-data-mock plugin
create_tables.sql
** Changed hsqldb scripts so that they would work with h2db also
** Added h2db -plugin (similar to hsqldb plugin but connects to h2
database via jndi)
** Added getConnection method into DataPluginScriptHandler interface
** Changed getHandler to be public in DataPluginController
** Added missing getConnection method into HSQLDBDataPluginScriptHandler
** Added support for h2 besides hsqldb into school data mock plugin
** Added muikku-h2db-plugin into module pom.xml