Fix windows build process, manostool improvements#126

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imphasing wants to merge 2 commits intojacksonh:masterfrom

imphasing:master

Commits on Jul 20, 2011

Specify Mono.* dlls to live in the lib path if they're not in the GAC, so windows users don't have to modify the project file to build.
imphasing
committed
Add IsWindows property to Environment so we can switch things around based on that.
imphasing
committed