..graphene: using BeanComposite

Change-Id: I02540487820f6636ddcd4cb9874682c0d8f1f60f
Signed-off-by: Kunal Shroff <shroffk@bnl.gov>
..graphene: adding the events for configuration panel and dialog for
line2Dplot

Change-Id: Ifaf3c9521fd69144d4a3a731301b3bb78e328b1b
Signed-off-by: Kunal Shroff <shroffk@bnl.gov>
..graphene.opiwidget: adding selection support to line2DPlot widget

Change-Id: Idb613b109769dd84ac74c67e955ba0b4d3395fc4
Signed-off-by: Kunal Shroff <shroffk@bnl.gov>