use seed value for call to aggregate when calculating cache uniqueness hash, so that we can handle the case of empty bundles (fix #234)
script to update assembly info version numbers
update AssemblyInfo version to 0.9.3
update nuspec for 0.9.3-beta1
Merge branch 'master' of github.com:AlexCuse/SquishIt
Merge branch 'master' into v1.0

Conflicts:
	SquishIt.CoffeeScript/Properties/AssemblyInfo.cs
	SquishIt.Hogan/Properties/AssemblyInfo.cs
	SquishIt.Less/Properties/AssemblyInfo.cs
	SquishIt.MsIeCoffeeScript/Properties/AssemblyInfo.cs
	SquishIt.MsIeHogan/Properties/AssemblyInfo.cs
	SquishIt.Sass/Properties/AssemblyInfo.cs