OxyPlot.WindowsForms_NET40.csproj still refers to Oxyplot PCL project. #250
 - Update the csproj to refers to OxyPlot.WindowsForms_NET40.csproj
separate separate plot and plotview (#239)
fix NET35 and VB
remove events copied accidentally from SL
Merge pull request #251 from thomsonreuters/NET40.Compatibility

OxyPlot.WindowsForms_NET40.csproj still refers to Oxyplot PCL project
Merge pull request #252 from tibel/wpf_plotview_split

Slim down PlotView