Merge pull request #340 from tkunicki-usgs/master

Implemented override of GeoTools DbaseFileWriter for appropriate representation numeric values needed for ESRI no-data flag
We wish to zoom to the extent of the session extent and not the extent of the layers in the session
Merge pull request #341 from isuftin/master

Fix for zoom to extent of session and not layer
Switched logging to 'INFO'
Switched .contains() to .has()
Merge pull request #342 from isuftin/master

Switched trace level logging to info, switched JS .contains() to .has()