SSDM-3510 add explicite declaration of jython 2.7

SVN: 36208

datastore_server/dist/etc/service.properties

@@ -428,3 +428,5 @@ ftp.server.dataset.show-parents-and-children = true
 # hidden and FTP users will not see them.
 # Example (will only show PNG files for data sets of type HCS_IMAGE): 
 # ftp.server.dataset.filelist.filter.HCS_IMAGE= .*png
+
+jython-version=2.7

datastore_server/resource/test-data/BackupDatabaseDescriptionGeneratorTest/datastore_server/etc/service.properties

@@ -9,3 +9,5 @@ imaging-db.basicDatabaseName = imaging
 imaging-db.databaseKind = barkind
 imaging-db.scriptFolder = source/sql/imaging
 
+
+jython-version=2.7

datastore_server/resource/test-data/BackupDatabaseDescriptionGeneratorTest/openBIS-server/jetty/etc/service.properties

@@ -15,3 +15,5 @@ database.owner =
 database.owner-password =
 database.admin-user = 
 database.admin-password =
+
+jython-version=2.7