Update OS X python paths to version 3.6

Author: iMichka

.travis.yml

@@ -173,14 +173,14 @@ script:
   # Modify sitecustomize.py file for coverage. Allows to cover files run in a subprocess.
   - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then touch "/home/travis/virtualenv/python${TRAVIS_PYTHON_VERSION}/lib/python${TRAVIS_PYTHON_VERSION}/sitecustomize.py"; fi
   - if [[ "$TRAVIS_OS_NAME" == "osx" ]] && [[ $TRAVIS_PYTHON_VERSION == 2 ]]; then touch "/usr/local/lib/python2.7/site-packages/sitecustomize.py"; fi
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]] && [[ $TRAVIS_PYTHON_VERSION == 3 ]]; then touch "/usr/local/lib/python3.5/site-packages/sitecustomize.py"; fi
+  - if [[ "$TRAVIS_OS_NAME" == "osx" ]] && [[ $TRAVIS_PYTHON_VERSION == 3 ]]; then touch "/usr/local/lib/python3.6/site-packages/sitecustomize.py"; fi
 
   - if [[ "$TRAVIS_OS_NAME" == "linux" ]];
     then printf "import coverage\ncoverage.process_startup()\n" > "/home/travis/virtualenv/python${TRAVIS_PYTHON_VERSION}/lib/python${TRAVIS_PYTHON_VERSION}/sitecustomize.py"; fi
   - if [[ "$TRAVIS_OS_NAME" == "osx" ]] && [[ $TRAVIS_PYTHON_VERSION == 2 ]];
     then printf "import coverage\ncoverage.process_startup()\n" > "/usr/local/lib/python2.7/site-packages/sitecustomize.py"; fi
   - if [[ "$TRAVIS_OS_NAME" == "osx" ]] && [[ $TRAVIS_PYTHON_VERSION == 3 ]];
-    then printf "import coverage\ncoverage.process_startup()\n" > "/usr/local/lib/python3.5/site-packages/sitecustomize.py"; fi
+    then printf "import coverage\ncoverage.process_startup()\n" > "/usr/local/lib/python3.6/site-packages/sitecustomize.py"; fi
 
   # Install pygccxml
   - python setup.py install