[IMP] improved code to set default accounts in l10n_us,l10n_ma and added new currency_id field to set currency based on select coa, fixed installation time error of l10n_ve
[ADD] remove currency_id logic and set currency_id based on ir.values
[IMP] Improved data for account chart template
[IMP] Improved code as per coding convention
[IMP]Improved currency as per country data file
[MRG] merge with lp:openobject-addons/7.0
[MRG] add default values for currency  in all l10n_ modules lp:~openerp-dev/openobject-addons/7.0-coa-wizard-data-cod
[IMP] improved code
[FIX] remove use of search_read method
[MERGE] [FIX] charts of account: fixed currency not selected on COA, added some missing default values (US/MA/VE).
Currency is found by adding values in ir.values and retrieving it when installing the COA.

In trunk/8.0, a new currency_id field will be added allowing to retrieve directly the currency.
[FIX] point_of_sale: correct _get_tax_amount to see several taxes in reports