Merge branch 'aps-minor-language-change' into 'stable-3.1'

Minor language change for APS installer

See merge request ispconfig/ispconfig3!914

interface/web/sites/lib/lang/en_aps.lng

@@ -28,7 +28,7 @@ $wb['installation_txt'] = 'Installation';
 $wb['install_location_txt'] = 'Install location';
 $wb['btn_install_txt'] = 'Install';
 $wb['btn_cancel_txt'] = 'Cancel';
-$wb['acceptance_txt'] = 'Acceptance';
+$wb['acceptance_txt'] = 'I accept the license';
 $wb['acceptance_text_txt'] = 'Yes, i\'ve read the license and agree.';
 $wb['install_language_txt'] = 'Interface language';
 $wb['new_database_password_txt'] = 'New database password';