Bump version to v1.1.15
Bump version to v1.1.15

JP-Ellis/django-select2-forms,hkmshb/django-select2-forms,hkmshb/django-select2-forms,SpectralAngel/django-select2-forms,SpectralAngel/django-select2-forms,hkmshb/django-select2-forms,sandow-digital/django-select2-forms,sandow-digital/django-select2-forms,sandow-digital/django-select2-forms,SpectralAngel/django-select2-forms