changed utils.javascript_date_format to expect Django template format codes, rather than strftime C codes
changed utils.javascript_date_format to expect Django template format codes, rather than strftime C codes

BrendanBerkley/django-report-builder,altanawealth/django-report-builder,AbhiAgarwal/django-report-builder,altanawealth/django-report-builder,BrendanBerkley/django-report-builder,BrendanBerkley/django-report-builder,AbhiAgarwal/django-report-builder,AbhiAgarwal/django-report-builder,altanawealth/django-report-builder