jython data source commands

From autoplot.org

getFile( java.net.URI, org.das2.util.monitor.ProgressMonitor )->java.io.File

downloads and returns a java.io.File.

more to come from:

• http://autoplot.org/javadoc/javadoc/org/virbo/dsops/Ops.html
• http://autoplot.org/javadoc/javadoc/org/virbo/jythonsupport/JythonOps.html
• http://autoplot.org/javadoc/javadoc/org/virbo/jythonsupport/Util.html
• http://autoplot.org/javadoc/javadoc/org/virbo/dataset/QDataSet.html (prefix with class name: QDataSet.DEPEND_0, etc)
• http://autoplot.org/javadoc/javadoc/org/virbo/dsutil/BinAverage.html

These are prefixed with the class name (e.g. Units.cm):

• http://autoplot.org/javadoc/javadoc/org/das2/datum/DatumRange.html
• http://autoplot.org/javadoc/javadoc/org/das2/datum/Units.html
• http://autoplot.org/javadoc/javadoc/org/das2/datum/DatumRangeUtil.html
• http://autoplot.org/javadoc/javadoc/org/das2/datum/TimeUtil.html
• http://autoplot.org/javadoc/javadoc/org/das2/util/TimeParser.html
• http://autoplot.org/javadoc/javadoc/org/das2/util/filesystem/FileSystem.html
• http://autoplot.org/javadoc/javadoc/org/das2/fsm/FileStorageModel.html