handles single available payment method correctly for invoice/payment plan.
removed unused code, proper indentation of else clause
OsCommerceSveaConfigXX getSecret() and getMerchantId() now works if either one of the card and direct bank methods is configured. Also, getPassword() and getUsername() now honours the  parameter.
Merge branch 'WEB-596' into hotfix/5.2.1
Merge branch 'WEB-596' into WEB-539
fix for leftout quotes in constant name
fix for leftout quotes in constant name
handles single available payment method internetbank (presents available banks). Fix for timing issue with ajax callback for countryCode.
removed left in console.log statement
Merge branch 'WEB-539' into hotfix/5.2.1
fix for error if svea_handling_fee module installed before ot_loworderfee
Merge branch 'WEB-603' into hotfix/5.2.1
invoice/paymentplan honours ot_loworderfee module when processing order_total rows
Merge branch 'WEB-594' into hotfix/5.2.1
Updated integration package to 1.6.4, this includes the fix for passing i.e. loworderfee rows to Svea in card and directbank orders.
Merge branch 'WEB-602' into hotfix/5.2.1
bumped version to 5.2.1
Merge branch 'hotfix/5.2.1'