[IMP][invoice_datetime] changed datetime_invoice_tz to datetime type field, this field is set after applied tz from user
[IMP][invoice_datetime] the time difference is improved by applying the time zone minutes
[IMP][invoice_datetime] use function _get_datetime_with_user_tz to get datetime of any field with user time zone
[FIX][invoice_datetime] fixed error with "ids" variable is not available on function create
[REF][invoice_datetime] validated that when field date is False, the function return False
[REF][invoice_datetime] tests are added to validate that the date stored in the invoice corresponds to the date calculated in _get_datetime_with_user_tz function.
[REF][invoice_datetime] change test to validate datetime with two time zones
[Merge] merge with lp:addons-vauxoo/7.0
[IMP]aplication pylint in this files
[MERGE] Merge from  lp:addons-vauxoo/7.0
[MERGE] merge with lp:~vauxoo/addons-vauxoo/7.0-addons-vauxoo-imp-datetime-dev-ernesto
from Jorge [IMP][invoice_datetime] Flake8 invoice.py
[FIX] pylint y flake8 in this module
[FIX]correction code
[MERGE] merge with lp:~vauxoo/addons-vauxoo/7.0-addons-vauxoo-pylint-datetime-dev-alan to apply pylint and flake8
[pylint] applied pylint
[IMP][pylint] applied pylint
Launchpad automatic translations update.
[MERGE][pylint] applied pylint
[MERGE] merge with addons-vauxoo/7.0