WAF: NuGet: Move package description to MSBuild property as the assem…

…bly attribute does not work anymore

WAF Prepare publish of 4.3.0 (Release)

WAF Prepare publish of 4.3.0-Alpha2

WAF Prepare publish of 4.3.0-Alpha1

WAF Change version number to 4.2.0.100

WAF Change version number to 4.2.0.91

NR Update to WAF 4.1.0

WAF Change version number to 4.1.0.92

WAF NuPush version 4.1.0.91

WAF Change version number to 4.1.0.7; Fix UWP NuGet package creation