Add function to query a single data value from general node datum for the seasonal hour of day aggregate level.
Support sensible time range (10 years) for *DayOfWeek and *HourOfDay
aggregate levels, which should be allowed to average over longer periods
of time.
Support new dataPath query element for filtering general node datum
with, to extract specific values out of the data for faster performance
in support of the *DayOfWeek and *HourOfDay aggregate levels.
Support SeasonalHourOfDay aggregate level.
Add support for (non seasonal) hour of day aggregate level on general node datum.
Add *DayOfWeek aggregate query support for general node datum.
Add examples of general node datum queries for *HourOfDay and *DayOfWeek aggregate levels.
Fix ant build.