tasks #7502: glossify git mirror admin area

Change-Id: Ia2551c272aa57c98e255ee5fca8233ba492a2ad2
Merge commit 'refs/changes/88/3088/6' of ssh://gerrit.tuleap.net:29418/tuleap into stable

* ssh://gerrit.tuleap.net:29418/tuleap:
  tasks #7502: glossify git mirror admin area

Conflicts:
	plugins/git/include/autoload.php
	plugins/git/www/themes/default/css/style.less
This is Tuleap 7.5.99.47

Change-Id: I58cfb16f1b6590a59f675189e905f468cfe70d63