Updated appveyor config

Author: Dan

appveyor.yml

@@ -91,36 +91,36 @@ install:
 
   # Upgrade to the latest version of pip to avoid it displaying warnings
   # about it being out of date.
-  - "%CMD_IN_ENV% pip install --disable-pip-version-check --user --upgrade pip"
+  - "pip install --disable-pip-version-check --user --upgrade pip"
 
   # Install the build dependencies of the project. If some dependencies contain
   # compiled extensions and are not provided as pre-built wheel packages,
   # pip will build them from source using the MSVC compiler matching the
   # target Python version and architecture
   # NOTE: psutil won't install under PyPy.
-  - "%CMD_IN_ENV% pip install -r requirements.txt"
+  - "pip install -r requirements.txt"
 
   - ps: "if(Test-Path(\"${env:PYTHON}\\bin\")) {ls ${env:PYTHON}\\bin;}"
   - ps: "if(Test-Path(\"${env:PYTHON}\\Scripts\")) {ls ${env:PYTHON}\\Scripts;}"
 
 cache:
   - "%TMP%\\py\\"
 
-build_script:
-  # Build the compiled extension
-  - "%CMD_IN_ENV% %PYEXE% setup.py bdist_wheel bdist_wininst"
-  - ps: "ls dist"
-  # Now install the wheel.
-  # I couldn't get wildcards to work for pip install, so stuff it
-  # into a variable, using python to glob.
-  - "%PYEXE% -c \"import glob; print(glob.glob('dist/*whl')[0])\" > whl.txt"
-  - set /p PYWHL=<whl.txt
-  - pip install %PYWHL%
+# build_script:
+#   # Build wheel
+#   - "%PYEXE% setup.py bdist_wheel bdist_wininst"
+#   - ps: "ls dist"
+#   # Now install the wheel.
+#   # I couldn't get wildcards to work for pip install, so stuff it
+#   # into a variable, using python to glob.
+#   - "%PYEXE% -c \"import glob; print(glob.glob('dist/*whl')[0])\" > whl.txt"
+#   - set /p PYWHL=<whl.txt
+#   - pip install %PYWHL%
 
 test_script:
   # Run the project tests
-  - "%PYEXE%" setup.py nosetests --with-coverage --cover-package=pssh
-  - "%PYEXE%" -c 'import sys; sys.version_info >= (3,) and sys.exit(1)' || eval "2to3 -nw embedded_server/*.py && 2to3 tests/*.py -o tests3 -nw && cp tests/test_client_private_key* tests3/ && python setup.py nosetests -w tests3 --with-coverage --cover-package=pssh"
+  - "%PYEXE% setup.py nosetests"
+  - "%PYEXE% -c 'import sys; sys.version_info >= (3,) and sys.exit(1)' || eval \"2to3 -nw embedded_server\*.py && 2to3 tests\*.py -o tests3 -nw && cp tests\test_client_private_key* tests3\ && %PYEXE% setup.py nosetests -w tests3\""
 
 after_test:
   # We already built the wheel during build_script, because it's