Solution file supports VS2013.

Solution file now compatible with VS2013.  Backwards compatible with
VS2012 and VS2010 SP1.  Removing provided VS2008 solution.
Update build scripts to point to new solution
Updated version numbers for nuget
#208 Support DockPanel transition in Show(DockPanel) method
Remove MainForm2 from DockSample

This form was added in 2007 but was never actually used or meaningfully
modified since then.
Create README.md
Merge branch 'master' of https://github.com/dockpanelsuite/dockpanelsuite
DockPanel.Persistor.cs / SaveAsXml: Use "XmlWriter.Create" instead of "new XmlTextWriter" to prevent closing underlying stream on XmlWriter.Close()
Merge pull request #215 from fschick/master

DockPanel.Persistor / SaveAsXml: Use XmlWriter.Create
If floating the content and a FloatPane exists,

no need to set the Pane, it's already ready to go.
Fix potential memory leak in FocusManager

If ResumeFocusTracking was called without any call to SuspendFocusTracking,
then the FocusManagerImpl would be subscribed to the windows hook event twice,
and remain subscribed even if it was disposed.
Merge pull request #239 from roken/master

#237 Fix Show(DockPanel, Rectangle) to float content at the rectangle.
Merge pull request #243 from jdh28/focusmanager-leak

Fix potential memory leak in FocusManager
Merge branch 'master' of https://github.com/dockpanelsuite/dockpanelsuite