Rename job names with python-style naming

Author: bridadan

azure-pipelines.yml

@@ -1,6 +1,6 @@
 jobs:
     -
-        job: Code style check
+        job: code_style_check
         pool:
             vmImage: ubuntu-16.04
         steps:
@@ -15,54 +15,54 @@ jobs:
                     python -m flake8
                 displayName: "Code style check"
     -
-        job: Test
+        job: test
         strategy:
             matrix:
-                LinuxPython27:
+                linux_python_2_7:
                     python.version: "2.7"
                     imageName: ubuntu-16.04
                     sendCoverage: "false"
-                LinuxPython35:
+                linux_python_3_5:
                     python.version: "3.5"
                     imageName: ubuntu-16.04
                     sendCoverage: "false"
-                LinuxPython36:
+                linux_python_3_6:
                     python.version: "3.6"
                     imageName: ubuntu-16.04
                     sendCoverage: "false"
-                LinuxPython37:
+                linux_python_3_7:
                     python.version: "3.7"
                     imageName: ubuntu-16.04
                     sendCoverage: "true"
-                MacPython27:
+                mac_python_2_7:
                     python.version: "2.7"
                     imageName: macos-10.13
                     sendCoverage: "false"
-                MacPython35:
+                mac_python_3_5:
                     python.version: "3.5"
                     imageName: macos-10.13
                     sendCoverage: "false"
-                MacPython36:
+                mac_python_3_6:
                     python.version: "3.6"
                     imageName: macos-10.13
                     sendCoverage: "false"
-                MacPython37:
+                mac_python_3_7:
                     python.version: "3.7"
                     imageName: macos-10.13
                     sendCoverage: "false"
-                WindowsPython27:
+                windows_python_2_7:
                     python.version: "2.7"
                     imageName: vs2017-win2016
                     sendCoverage: "false"
-                WindowsPython35:
+                windows_python_3_5:
                     python.version: "3.5"
                     imageName: vs2017-win2016
                     sendCoverage: "false"
-                WindowsPython36:
+                windows_python_3_6:
                     python.version: "3.6"
                     imageName: vs2017-win2016
                     sendCoverage: "false"
-                WindowsPython37:
+                windows_python_3_7:
                     python.version: "3.7"
                     imageName: vs2017-win2016
                     sendCoverage: "false"