added hook to the print address function

Qual: Start to move code of dol_print_graph function into class
DolGraph.

Conflicts:
	htdocs/langs/ca_ES/withdrawals.lang
	htdocs/langs/es_ES/withdrawals.lang
	htdocs/langs/fr_FR/withdrawals.lang
	htdocs/langs/ja_JP/compta.lang
	htdocs/langs/ja_JP/contracts.lang
	htdocs/langs/sl_SI/withdrawals.lang
	htdocs/langs/zh_CN/admin.lang
	htdocs/langs/zh_CN/agenda.lang
	htdocs/langs/zh_CN/bills.lang
	htdocs/langs/zh_CN/boxes.lang
	htdocs/langs/zh_CN/commercial.lang
	htdocs/langs/zh_CN/companies.lang
	htdocs/langs/zh_CN/compta.lang
	htdocs/langs/zh_CN/contracts.lang
	htdocs/langs/zh_CN/errors.lang
	htdocs/langs/zh_CN/exports.lang
	htdocs/langs/zh_CN/install.lang
	htdocs/langs/zh_CN/interventions.lang
	htdocs/langs/zh_CN/mails.lang
	htdocs/langs/zh_CN/main.lang
	htdocs/langs/zh_CN/members.lang
	htdocs/langs/zh_CN/orders.lang
	htdocs/langs/zh_CN/other.lang
	htdocs/langs/zh_CN/products.lang
	htdocs/langs/zh_CN/propal.lang
	htdocs/langs/zh_CN/stocks.lang
	htdocs/langs/zh_CN/suppliers.lang
	htdocs/langs/zh_CN/users.lang
	htdocs/langs/zh_TW/admin.lang
	htdocs/langs/zh_TW/agenda.lang
	htdocs/langs/zh_TW/banks.lang
	htdocs/langs/zh_TW/boxes.lang
	htdocs/langs/zh_TW/companies.lang
	htdocs/langs/zh_TW/compta.lang
	htdocs/langs/zh_TW/contracts.lang
	htdocs/langs/zh_TW/errors.lang
	htdocs/langs/zh_TW/exports.lang
	htdocs/langs/zh_TW/install.lang
	htdocs/langs/zh_TW/interventions.lang
	htdocs/langs/zh_TW/mails.lang
	htdocs/langs/zh_TW/members.lang
	htdocs/langs/zh_TW/orders.lang
	htdocs/langs/zh_TW/propal.lang
	htdocs/langs/zh_TW/suppliers.lang