Change the configuration of CIs

Fix #None

Author: Minggang Wang

.circleci/config.yml

@@ -18,8 +18,6 @@ jobs:
         # fallback to using the latest cache if no exact match is found
         - v1-dependencies-
     - run: brew update
-    - run: brew uninstall python
-    - run: brew install python
     - run: brew install wget cmake cppcheck tinyxml tinyxml2 eigen pcre poco
     - run: brew install openssl
     - run: brew install asio console_bridge

appveyor.yml

@@ -6,7 +6,7 @@ branches:
     - develop
     - actionlib
 
-image: Previous Visual Studio 2019
+image: Visual Studio 2017
 
 environment:
   nodejs_version: "10"
@@ -52,6 +52,6 @@ build_script:
   - npm run lint
 
 test_script:
-  - cmd: call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\Common7\Tools\VsDevCmd.bat"
+  - cmd: call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\Common7\Tools\VsDevCmd.bat"
   - "SET PATH=%PYTHON3%;%PYTHON3%\\bin;%PYTHON3%\\Scripts;C:\\Program Files\\CMake\\bin;%PATH%"
   - npm test