[IMP] use the openerp namespace.

addons/account/account.py

addons/account/account_analytic_line.py

addons/account/account_bank.py

addons/account/account_bank_statement.py

addons/account/account_cash_statement.py

addons/account/account_financial_report.py

addons/account/account_invoice.py

addons/account/account_move_line.py

addons/account/company.py

addons/account/edi/invoice.py

addons/account/installer.py

addons/account/ir_sequence.py

addons/account/partner.py

addons/account/product.py

addons/account/project/project.py

addons/account/project/report/account_journal.py

addons/account/project/report/analytic_balance.py

addons/account/project/report/analytic_journal.py

addons/account/project/report/cost_ledger.py

addons/account/project/report/inverted_analytic_balance.py