[FIX] adapt to value_date while still supporting old versions
Merge pull request #8 from hbrunn/7.0_mt940_value_date

[FIX] adapt to value_date while still supporting old versions
[IMP] Set infoline1 into message and use it to search partners
[FIX][MULTICOMPANY] company_id not set in transactions
[Fix] Search invoice on foreign currency.
[FIX] Error in confirming statement line when company is different than base company