Update box_activity.php

$totalnb is not an amount
Fix translations in e-mail forms
Update html.form.class.php

By example, avoid to have html code in customer name
Merge pull request #1775 from frederic34/patch-1

Update box_activity.php
Merge pull request #1776 from open-minds/develop

Fix translations in e-mail forms
Merge pull request #1778 from frederic34/patch-2

Update html.form.class.php
Fix: PHPCS
Fix: [ bug #1541 ] Surveys menu is not shown up if Export/Import module
is not enabled.
Fix: [ bug #1541 ] Surveys menu is not shown up if Export/Import module
is not enabled.
Fix: [ bug #1542 ] extrafields.class.php, showOutputField wrong
translate.
Merge remote branch 'upstream/develop' into selectdelivery