Removed unused views.debug.linebreak_iter() function.

CLEANSED_SUBSTITUTE = '********************'

def linebreak_iter(template_source):

    yield 0

    p = template_source.find('\n')

    while p >= 0:

        yield p + 1

        p = template_source.find('\n', p + 1)

    yield len(template_source) + 1

class CallableSettingWrapper(object):

    """ Object to wrap callable appearing in settings