FEA - Upgrate to Silverlight 5

[sevenate]

Original report by sevenate (Bitbucket: sevenate, GitHub: sevenate).

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• http://10rem.net/blog/2011/12/09/announcing-the-release-of-silverlight-5
• http://msdn.microsoft.com/en-us/library/cc265156%28v=VS.95%29.aspx

[sevenate]

Original comment by sevenate (Bitbucket: sevenate, GitHub: sevenate).

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Closed #91: FEA - Upgrate to Silverlight 5.