bump version, remove corefx dependencies

Author: dsyme

appveyor.ps1

@@ -1,6 +1,6 @@
 
 # the version under development, update after a release
-$version = '4.0.0.5'
+$version = '4.0.1.0'
 
 function isVersionTag($tag){
     $v = New-Object Version

packages.config

@@ -1,7 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <packages>
-  <package id="dnx-coreclr-win-x86" version="1.0.0-beta7" />
-  <package id="Microsoft.DotNet.BuildTools" version="1.0.25-prerelease-00085" />
   <package id="FsCheck" version="2.0.3" />
   <package id="NUnit.Runners" version="2.6.4" targetFramework="net45" />
   <package id="NUnit" version="3.0.0" targetFramework="net45" />