[FIX] survey: missing timezone conversions

As the survey hardcode lot's of views and reports in python, we do not beneficiate from automatic timezone conversions in the webclient.
Hopefully this is fixed in v8 after refactoring of the survey module. opw 608786
[ADD] res_partner: test case for fix rev 4a278809741d4e961ac13d3477a046d43b32cfa7
Merge branch '7.0' of https://github.com/odoo/odoo into 7.0-linux64