#268 : Add NodeReuse to MSBuildParams

Signed-off-by: freeman <michel.rasschaert@gmail.com>
Remove bool option and just use bool for #269
Allow users to override MSBuildDefaults. At least for now. Closes #267
Using the latest styles
Merge branch 'develop' of github.com:fsharp/FAKE into develop
Merge branch 'develop'
Note the branch changes in the readme