copyright notice updated with year 2014

git-svn-id: https://mui.svn.codeplex.com/svn/1.0/FirstFloor.ModernUI@106314 2327b42d-5241-43d6-9e2a-de5ac946f064
new ModernProgressRing control with 8 builtin styles (taken from SpinKit.xaml)
new sample page demonstrating ModernProgressRing

git-svn-id: https://mui.svn.codeplex.com/svn/1.0/FirstFloor.ModernUI@106315 2327b42d-5241-43d6-9e2a-de5ac946f064