add geospatial_point_center to DataProduct and FrameOf Ref to enable geo searching
Merge pull request #307 from MauriceManning/geopoint

 add geospatial_point_center to DataProduct and FrameOf Ref to enable ge...
Adds new column to parameters: precision
Merge pull request #308 from lukecampbell/precision

Adds new column to parameters: precision
Added fields to extended resource test object
Adding alerts to agent instance object
Merge pull request #309 from ifreecarve/2013-03-21_alerts

Adding alerts to agent instance object
Merge pull request #1 from ooici/master

update