Added aggregate column and calculation to summary.html
Added aggregate column and calculation to station.html
Moved clear data table to datatable.js
Reworked it to be less complex
Added 1.01 as default value for all data and
aggregate cells in the table. This allowed
datatables to automatically determined datatypes.
Forced decimals to be 2 places with excess 0's dropped
Updating aggr with latest master changes. Merge branch 'master' into aggr
Merge branch 'master' into aggr

Conflicts:
	station_health/js/station.js
	station_health/js/summary.js
Changed weights to be autocalculated based on
the number of metrics. Added resetWeights function
that fires after documents finishes loading all ajax.
Added clearing of aggregate column to datatable.js
in the clearDatatable function
Change the calcAggr function to return 0 if no
weightSum. Added processAllAggr to post ajax function
calls. So it recomputes after ajax is done and weights
computed.