Git commits in Moodle 3.5.5 by Sara Arjona

commit a2740b43c5dfcabd354aac88cc9706ba3b319209
Author: Sara Arjona <sara@moodle.com>
Date:   Thu, 31 Jan 2019 19:15:21 +0800
Tag:    v3.5.5

MDL-62514 form: Add missing data-tags attribute


commit 1237fe91404429bb30ec8b0328f6a52fdec3f5fc
Author: Sara Arjona <sara@moodle.com>
Date:   Fri, 18 Jan 2019 21:24:11 +0800
Tag:    v3.5.5

MDL-64629 theme_clean: Remove underscore near the help icon


commit 38f65afecfcb961577d9fcd7478d4f9d23da413d
Author: Sara Arjona <sara@moodle.com>
Date:   Fri, 14 Dec 2018 20:29:36 +0800
Tag:    v3.5.5

MDL-63677 core_user: Avoid redirection during signup