if we cannot https we must http for nuget

Rakefile

@@ -20,9 +20,11 @@ task :build => [:compile]
 
 desc 'Run the tests'
 task :test => [:nunit]
+desc 'run Static analysis linters'
+task :lint => [:build, :cs_lint]
 
 desc 'Retrieve, Build, Test'
-task :preflight => [:clean, :retrieve, :build, :test, :cs_lint]
+task :preflight => [:clean, :retrieve, :build, :test, :lint]
 
 desc 'cleans up artifacts'
 task :clean do
@@ -46,8 +48,7 @@ test_runner :nunit do |tests|
   tests.exe = "packages/NUnit.Runners.2.6.4/tools/nunit-console.exe" # executable to run tests with
 end
 
-desc 'run static analysis'
-task :cs_lint => :build do
+task :cs_lint do
 
   unless Dir.exists?('output')
     Dir.mkdir('output')

assets/tools.rake

@@ -7,10 +7,17 @@ namespace :tools do
 		if !FileTest.exist?("#{NUGET}/nuget.exe")
 			puts 'Downloading nuget from nuget.org'
 
+			begin
 			FileUtils.mkdir_p("#{NUGET}")
 			File.open("#{NUGET}/nuget.exe", "wb") do |file|
 				file.write open('https://nuget.org/nuget.exe').read
 			end
+		rescue
+			FileUtils.rm_rf("#{NUGET}/nuget.exe")
+			File.open("#{NUGET}/nuget.exe", "wb") do |file|
+				file.write open('http://nuget.org/nuget.exe').read
+			end
+		end
 		end
 	end
 
@@ -27,7 +34,7 @@ namespace :tools do
         end
 		end
 
-	# Make sure we get solution-level deps
+	  # Make sure we get solution-level deps
 		sh "#{CMD_PREFIX} #{NUGET}/nuget.exe i .nuget/packages.config -o packages"
 
 		FileList["src/**/packages.config"].each { |filepath|