Git commits in Moodle 2.1.7 by Jerome Mouneyrac

commit 463e194c855d3e9103adef0dfb9ed5f517f96933
Author: Jerome Mouneyrac <jerome@moodle.com>
Date:   Fri, 15 Jun 2012 15:14:06 +0800
Tag:    v2.1.7

MDL-33770 Web service: create_groups should not require enrolmentkey

commit d9ecbdc7158cb042aeea62da6acf250bfccd4026
Author: Jerome Mouneyrac <jerome@moodle.com>
Date:   Fri, 08 Jun 2012 12:08:45 +0800
Tag:    v2.1.7

MDL-33581 missing parameter defaults for some external functions

commit ec48562601b83bacc4769d6f8645185981fe80be
Author: Jerome Mouneyrac <jerome@moodle.com>
Date:   Mon, 28 May 2012 14:39:37 +0800
Tag:    v2.1.7

MDL-33352 fix regression, textlib functions are not static in 2.1

commit b108e75ce3b57ab87c93c5b1f6b7d59e6d5f6cf5
Author: Jerome Mouneyrac <jerome@moodle.com>
Date:   Wed, 16 May 2012 12:04:13 +0800
Tag:    v2.1.7

MDL-33028 display debuginfo when server die at developer mode