Merge pull request #211 from e-cuellar/master

Fix for BISERVER-8852
[BISERVER-9162] -- Added binding for treeCol so that a classname binding can be defined for treeItems. Added spacer.gif to be located in local image directory
Merge pull request #212 from krivera-pentaho/dev

[BISERVER-9162] -- Added binding for treeCol so that a classname binding...
Fix for BISERVER-8851
Unable to customize data source - Level properties in analysis tab do
not appear.