Disable Python 3.4 windows builds too (#117)

Author: msullivan

appveyor.yml

@@ -2,9 +2,6 @@ environment:
   matrix:
     # For Python versions available on Appveyor, see
     # http://www.appveyor.com/docs/installed-software#python
-    - PYTHON: "C:\\Python34"
-    - PYTHON: "C:\\Python34-x64"
-      DISTUTILS_USE_SDK: 1
     - PYTHON: "C:\\Python35"
     - PYTHON: "C:\\Python35-x64"
     - PYTHON: "C:\\Python36"

tools/download_typed_ast.py

@@ -45,7 +45,7 @@ def download_appveyor(version):
             download(api_url + artifact_url + '/' + artifact['fileName'])
 
 # gcloud downloads for linux wehels
-MIN_VER = 4
+MIN_VER = 5
 MAX_VER = 7
 
 GCLOUD_URL = "https://storage.googleapis.com/typed-ast/typed_ast-{version}-cp3{pyver}-cp3{pyver}m-{platform}.whl"