Allow a:b:c notation for defaults controllers in routes
	a: module name
	b: controller name without Controller suffixe
	c: method name without Action suffixe

So Acme:Customer:show match \Acme\Controller\CustomerController::showAction()
create a compiler for currency converter providers
use CurrencyConverter for updating exchange rate
fix isoalpha2 iso code for 2 countries
update tests
Merge pull request #863 from bilhackmac/symfony-like-controllers-route-notation

Allow Symfony like _controller route notation
Merge pull request #871 from etienneroudeix/master

fix isoalpha2 iso code for 2 countries
Merge pull request #870 from lunika/tax_rate

Update currency update using the Currency Converter