repair test project for django 1.5
fix TypeError: not enough arguments for format string
pep8 fixes
Merge branch 'master' of git://github.com/cypreess/django-getpaid
improved compatibility with versions lower than 1.5 django
fixing tests settings for przelewy24
Merge branch 'master' of github.com:cypreess/django-getpaid
Merge branch 'style' of github.com:ekohl/django-getpaid into django1.5
adding test for 1.5 support in templates
Merge branch 'master' of git://github.com/fizista/django-getpaid into django1.5
updatating changes after pull requests