Git commits in Moodle 1.7.2 by mjollnir_

commit 731f877fdbc1cb19cc13bca9e1505e355cccdc2f
Author: mjollnir_ <mjollnir_>
Date:   Fri, 02 Mar 2007 10:43:15 +0900
Tag:    v1.7.2

Merged from MOODLE_16_STABLE: fixing bug MDL-8651: import course data should clean up after itself

commit d550a1409b8a35b1ae62765445f8006d11bade38
Author: mjollnir_ <mjollnir_>
Date:   Mon, 26 Feb 2007 09:18:02 +0900
Tag:    v1.7.2

fixing MDL-8662