Merge pull request #16 from qwindelzorf/master

Fixing import error that shows up under Django 1.5
Fixin l10n error with long numbers - ie. 10000 was 10,000 which broke script
Merge pull request #17 from jacoor/master

Fixin l10n error with long numbers
Added @jacoor to AUTHORS
Version bump 2.1.5
add spanish translation
Merge pull request #18 from jantoniomartin/spanish-translation

Spanish translation
Delete compiled file
Version bump 2.1.6