Git commits in Moodle 1.7.4 by skodak

commit e8b2de8d182c7a23041f5c80e7801869a3775c58
Author: skodak <skodak>
Date:   Wed, 02 Jan 2008 02:27:14 +0900
Tag:    v1.7.4

MDL-12793 PARAM_HOST incorrect cleaning; backported from MOODLE_19_STABLE


commit 845df47c1120410104c0daea17ba13152dabc058
Author: skodak <skodak>
Date:   Sat, 10 Nov 2007 23:52:42 +0900
Tag:    v1.7.4

MFC: MDL-12079 fixed use of clean_param()