Nunit nuget with addin now working, but not adding the pdb and xml.
Improving on the files
adding install.ps1 for nunit package, WIP
Working install.ps1 :D
Adding install.ps1 to the build so that is added to the corresponding nuget package
Fix circular reference in build.fsx.
Fix typos.
Merge branch 'master' of https://github.com/fsharp/FsCheck

Conflicts:
	build.fsx
	nuget/FsCheck.Nunit.nuspec.tools/install.ps1