Fix: Strict standards: Only variables should be passed by reference

NEW: add "productpricecard" hook and uniformize code

Fix #3001: the current code needs an array, not an object

Fix: strict mode hunter

Fix nophoto image path on company admin

http://geoffray.be/blog/php/only-variables-should-be-passed-by-reference

NEW: Add a tab document in donation card

Conflicts:
	htdocs/comm/propal.php
	htdocs/commande/card.php
	htdocs/compta/facture.php
	htdocs/core/class/html.form.class.php
	htdocs/fourn/facture/card.php
	htdocs/theme/eldy/style.css.php

Conflicts:
	htdocs/core/class/html.form.class.php

Make default avatar images public to allow Gravatar proxying

FIX #2983 Load gravatar avatar images securely over HTTPS

Use rfc6761 example.com domain instead of domain.com in examples

Fix #2985

Fix #2988

Enhance also the prototype test_arrays to include select form before
table.

Fix: navigation in expense report

various fixes on webservices

if duration is present on service, we use it

Fix: use dash instead underscore and add filter for "dol_most_recent_files" for avoid conflict

FIX: Correct migration script

Close #2951 

new setting vars FICHINTER_USE_SERVICE_DURATION