Layer organization: grouping

[ceholden]

When plugin adds images as layers to QGIS, organize them into groups based on what Series they come from. Example:

• TSTools Layers
  • Stacked TS
  • ppt

See the following SO answer for more details (note the reference to QGIS version -- check for version dependencies):
http://gis.stackexchange.com/questions/108316/how-to-move-a-layer-in-qgis-toc-above-an-existing-group