Merge pull request #159 from ua-snap/styletweaks

Change graph background to white on open water chart wrapper
Flush concentration chart title left and remove initial caps.
Made minor font and color changes to open water graph to make it better resemble concentration graph.
isolate openlayers build process in gruntfile
Merge pull request #162 from ua-snap/concentration_chart_title

Flush concentration chart title left and remove initial caps.
Merge pull request #164 from ua-snap/openwater_graph_style

Made minor font and color changes to open water graph to make it better ...
merged newed style/formatting changes
#152, keep marker on top when layers are switched
The open water graph now sizes automatically to its div container and responds to window resizes.
Merge pull request #166 from ua-snap/grunt_openlayers

isolate openlayers build process in gruntfile
Merge pull request #169 from ua-snap/marker_layerindex

#152, keep marker on top when layers are switched
fixes resize scroll hop + null assignment
Merge pull request #168 from ua-snap/resize_openwater_chart

The open water graph now sizes automatically to its div container and re...
text changes to Explore sidebar; text changes to chart heads