Issue #362: Merge Modules cause NullRefException when MediaTemplate is used
Issue #362: Merge Modules cause NullRefException when MediaTemplate is used

oleg-shilo/wixsharp,dguder/wixsharp,oleg-shilo/wixsharp,oleg-shilo/wixsharp,oleg-shilo/wixsharp,dguder/wixsharp,oleg-shilo/wixsharp