Update 2 NuGet dependencies

Author: nfbot

nanoFramework.WebServer.nuspec

@@ -27,9 +27,9 @@
       <dependency id="nanoFramework.Runtime.Events" version="1.9.0-preview.16" />
       <dependency id="nanoFramework.System.Collections" version="1.2.0-preview.43" />
       <dependency id="nanoFramework.System.Text" version="1.1.1-preview.45" />
-      <dependency id="nanoFramework.System.Net" version="1.3.4-preview.10" />
+      <dependency id="nanoFramework.System.Net" version="1.3.4-preview.14" />
       <dependency id="nanoFramework.System.Net.Http.Server" version="1.3.4-preview.14" />
-      <dependency id="nanoFramework.Windows.Storage" version="1.10.1-preview.31" />
+      <dependency id="nanoFramework.Windows.Storage" version="1.10.1-preview.36" />
       <dependency id="nanoFramework.Windows.Storage.Streams" version="1.10.1-preview.36" />
     </dependencies>
   </metadata>

nanoFramework.WebServer/nanoFramework.WebServer.nfproj

@@ -61,15 +61,15 @@
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Net, Version=1.6.5.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.System.Net.1.6.5-preview.12\lib\System.Net.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.System.Net.1.3.4-preview.14\lib\System.Net.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="System.Net.Http, Version=1.3.4.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
       <HintPath>..\packages\nanoFramework.System.Net.Http.Server.1.3.4-preview.14\lib\System.Net.Http.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="Windows.Storage, Version=1.4.4.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">
-      <HintPath>..\packages\nanoFramework.Windows.Storage.1.4.4-preview.61\lib\Windows.Storage.dll</HintPath>
+      <HintPath>..\packages\nanoFramework.Windows.Storage.1.10.1-preview.36\lib\Windows.Storage.dll</HintPath>
       <Private>True</Private>
     </Reference>
     <Reference Include="Windows.Storage.Streams, Version=1.10.1.0, Culture=neutral, PublicKeyToken=c07d481e9758c731">