Move Script to sub-package db.

...ch/systemsx/cisd/common/db/ISqlScriptExecutionLogger.java

...e/java/ch/systemsx/cisd/common/db/ISqlScriptExecutor.java

common/source/java/ch/systemsx/cisd/common/db/Script.java

...ce/java/ch/systemsx/cisd/common/db/SqlUnitTestRunner.java

...ava/ch/systemsx/cisd/common/db/SqlUnitTestRunnerTest.java

.../java/ch/systemsx/cisd/dbmigration/DBMigrationEngine.java

...a/ch/systemsx/cisd/dbmigration/DatabaseVersionLogDAO.java

.../ch/systemsx/cisd/dbmigration/IDatabaseVersionLogDAO.java

...java/ch/systemsx/cisd/dbmigration/ISqlScriptProvider.java

.../java/ch/systemsx/cisd/dbmigration/SqlScriptExecutor.java

.../java/ch/systemsx/cisd/dbmigration/SqlScriptProvider.java

...urce/java/ch/systemsx/cisd/dbmigration/h2/H2AdminDAO.java

...ystemsx/cisd/dbmigration/java/IMigrationStepExecutor.java

...systemsx/cisd/dbmigration/java/MigrationStepExecutor.java

...temsx/cisd/dbmigration/postgresql/PostgreSQLAdminDAO.java

...a/ch/systemsx/cisd/dbmigration/DBMigrationEngineTest.java

...a/ch/systemsx/cisd/dbmigration/SqlScriptExecutorTest.java

...a/ch/systemsx/cisd/dbmigration/SqlScriptProviderTest.java

...emsx/cisd/dbmigration/java/MigrationStepExecutorTest.java