Git commits in Moodle 3.3.3 by Kathrin Osswald

commit 942d43eeacf094037794bf89a53f44f28aab0eff
Author: Kathrin Osswald <kathrin.osswald@uni-ulm.de>
Date:   Fri, 27 Oct 2017 18:09:19 +0800
Tag:    v3.3.3

MDL-60522 message: Removed additional tooltips


commit e95beb73b90123a74fc0226f3d0d0e6036f7f7e1
Author: Kathrin Osswald <kathrin.osswald@uni-ulm.de>
Date:   Mon, 11 Sep 2017 19:54:56 +0800
Tag:    v3.3.3

MDL-60048 theme_boost: Center logo within the navbar