Revision 2004

* Thuban/Model/save.py (SessionSaver.write_session): Save files
with the thuban-1.0rc1

* Thuban/Model/load.py (SessionLoader.__init__): Recognize the
thuban-1.0rc1 namespace too

* test/test_save.py (SaveSessionTest.dtd)
(SaveSessionTest.testEmptySession)
(SaveSessionTest.testSingleLayer)
(SaveSessionTest.testLayerProjection)
(SaveSessionTest.testRasterLayer)
(SaveSessionTest.testClassifiedLayer)
(SaveSessionTest.test_dbf_table)
(SaveSessionTest.test_joined_table)
(SaveSessionTest.test_save_postgis): Update to thuban-1.0rc1
namespace

* test/test_load.py (LoadSessionTest.dtd): Update to thuban-1.0rc1
namespace
(TestSingleLayer.file_contents)
(TestNonAsciiColumnName.file_contents)
(TestLayerVisibility.file_contents)
(TestClassification.file_contents, TestLabels.file_contents)
(TestLayerProjection.file_contents)
(TestRasterLayer.file_contents, TestJoinedTable.file_contents)
(TestPostGISLayer.file_contents)
(TestPostGISLayerPassword.file_contents)
(TestLoadError.file_contents, TestLoadError.test): Update to
thuban-1.0rc1 namespace