Update appveyor.yml

Author: AtsushiSakai

appveyor.yml

@@ -38,8 +38,15 @@ install:
   - conda update -q conda
   - conda info -a
   - "python -m pip install --upgrade pip"
-  - conda env create -f C:\\projects\pythonrobotics\environment.yml
-  - activate python_robotics
+  - conda install numpy==1.15
+  - conda install scipy
+  - conda install matplotlib
+  - conda install pandas
+  - conda install -c conda-forge lapack
+  - conda install -c cvxgrp cvxpy
+  - conda install coveralls
+  #- conda env create -f C:\\projects\pythonrobotics\environment.yml
+  #- activate python_robotics
 
   # Check that we have the expected version and architecture for Python
   - "python --version"