coloca rangos fechas en las vistas tree de solamente crm, ejemplo: oportunidades, iniciativas y llamadas.

sebas 63df23c6f5 commit crm_tree_date_search		%!s(int64=7) %!d(string=hai) anos
static	63df23c6f5 commit crm_tree_date_search	%!s(int64=7) %!d(string=hai) anos
views	63df23c6f5 commit crm_tree_date_search	%!s(int64=7) %!d(string=hai) anos
__init__.py	63df23c6f5 commit crm_tree_date_search	%!s(int64=7) %!d(string=hai) anos
__init__.pyc	63df23c6f5 commit crm_tree_date_search	%!s(int64=7) %!d(string=hai) anos
__openerp__.py	63df23c6f5 commit crm_tree_date_search	%!s(int64=7) %!d(string=hai) anos
invoice.xml	63df23c6f5 commit crm_tree_date_search	%!s(int64=7) %!d(string=hai) anos
llamadas.xml	63df23c6f5 commit crm_tree_date_search	%!s(int64=7) %!d(string=hai) anos
opportunity.xml	63df23c6f5 commit crm_tree_date_search	%!s(int64=7) %!d(string=hai) anos
picking.xml	63df23c6f5 commit crm_tree_date_search	%!s(int64=7) %!d(string=hai) anos
sale.xml	63df23c6f5 commit crm_tree_date_search	%!s(int64=7) %!d(string=hai) anos
voucher.xml	63df23c6f5 commit crm_tree_date_search	%!s(int64=7) %!d(string=hai) anos