Setting the placement target when opening the context menu.
Merge pull request #216 from Taldoras/master

Setting the placement target when opening the context menu.
Revert "Setting the placement target when opening the context menu."

This reverts commit 4875b0371175f80c98b86c114e1ff99e291164e4.
Merge branch 'develop'
Remove dependencies on Portable Class Library

Create C# library projects for OxyPlot_NET40 and ExampleLibrary_NET40
Update OxyPlot.AppVeyor.sln to include the two new projects library
Update projects referencing OxplyPlot and ExampleLibrary to handle the NET_40 compatibility
Update the OxyPlot.Core.nuspec to handle .NET4.0 and .NET client profile frameworks version
Remove dependencies on Portable Class Library

- Fix issues due to new csproj using same GUID.
- Missing project configurations in .sln
Update .NET40 csproj
Update OxyPlot.Core.nuspec for NET45
Removed Metro c# project into appVeyor solution file. (Bad merge.)
Removed Metro c# project into appVeyor solution file. (Bad merge.)
Merge pull request #249 from thomsonreuters/NET40.Compatibility

Net40.compatibility
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
Update LineSeries.cs

Prevent null reference with MVVM binding values, example:
<OxyPlot:LineSeries ItemsSource="{Binding MyIEnumerableValueCollection}"  />
Merge pull request #255 from SenenFernandez/patch-1

Update LineSeries.cs
#259 Improved rendering performance for WPF by only rendering the plots that are actually really visible to the user (this ensures major improvements in large lists)
Following Stylecop rules (member ordering)