[FIX] mail: Speep improvement when sending email using 'Send by Email' wizard. (Maintenance Case: 606994)
[FIX] hr: working and home adresses should not be customers by default, only 'normal' adresses.
[FIX] hr_holidays: date_from, date_to required in form view only for leave requests, not for allocation requests
Merge pull request #471 from odoo-dev/7.0-opw-606994-rgo

[MERGE] mail: Speed improvement, backport of rev ed116d6b6b5ab5e4436cce5b6da078417e0a9efc
Merge branch '7.0' of https://github.com/odoo/odoo into 7.0-win32