Contents:
JOYOUS_DATE_FORMAT
JOYOUS_DATE_SHORT_FORMAT
JOYOUS_EVENTS_PER_PAGE
JOYOUS_FIRST_DAY_OF_WEEK
JOYOUS_GROUP_MODEL
JOYOUS_GROUP_SELECTABLE
JOYOUS_HOLIDAYS
JOYOUS_RSS_FEED_IMAGE
JOYOUS_THEME_CSS
JOYOUS_TIME_FORMAT
JOYOUS_TIME_INPUT
JOYOUS_UPCOMING_INCLUDES_STARTED