Git commits in Moodle 3.5.3 by Juan Leyva

commit 8396ade6206532e260583e96709e3ae93865c0ad
Author: Juan Leyva <juanleyvadelgado@gmail.com>
Date:   Fri, 02 Nov 2018 22:16:02 +0800
Tag:    v3.5.3

MDL-63748 core_auth: Fix redirect parameter being ignored

commit e159265c553dc542145ed28a95061d958bee7d6b
Author: Juan Leyva <juanleyvadelgado@gmail.com>
Date:   Fri, 02 Nov 2018 21:34:58 +0800
Tag:    v3.5.3

MDL-63717 tool_mobile: Ensure URLs are valid

commit aba0de88bed35875990aa4b40233c3ea32d10098
Author: Juan Leyva <juanleyvadelgado@gmail.com>
Date:   Mon, 08 Oct 2018 22:32:15 +0800
Tag:    v3.5.3

MDL-63583 course: Include course/lib.php always

commit 5166e721909316ab72c0f711e73c080c9aad4660
Author: Juan Leyva <juanleyvadelgado@gmail.com>
Date:   Thu, 04 Oct 2018 22:13:14 +0800
Tag:    v3.5.3

MDL-63542 core_course: Support stealth activities in WS

commit 86196f93fb92304c2b46d64bb597b1ca08dbe8fe
Author: Juan Leyva <juanleyvadelgado@gmail.com>
Date:   Fri, 24 Aug 2018 19:58:17 +0800
Tag:    v3.5.3

MDL-63225 webservice: Return proper debuginfo on WS exceptions