Add Azure Pipelines (#3140)

* Adding ci files

* Single pipeline

* Add test reporting

* Try adding mocha-junit-reporter

* More complete test reporting

* Cleaning up

* Trying to find location of test file

* Added searching logic to wrong file

* Trying different method of getting test results

* Add reporter option

* Adding alternate way of getting mac os

* Get rid of bad comments

azure-pipelines-linux-mac.yml

@@ -0,0 +1,38 @@
+steps:
+- task: NodeTool@0
+  inputs:
+    versionSpec: '8.x'
+  displayName: 'Install Node.js'
+
+- script: |
+    git submodule update --init --recursive
+    nvm install 8.9.1
+    nvm use 8.9.1
+    npm i -g yarn
+  displayName: 'preinstall'
+
+- script: |
+    export CXX="g++-4.9" CC="gcc-4.9" DISPLAY=:99.0
+    sh -e /etc/init.d/xvfb start
+    sleep 3
+  displayName: 'Linux preinstall'
+  condition: eq(variables['Agent.OS'], 'Linux')
+
+- script: |
+    yarn
+  displayName:  'Install'
+
+- script: |
+    node_modules/.bin/gulp electron --silent
+    node_modules/.bin/gulp compile --silent --max_old_space_size=4096
+    node_modules/.bin/gulp optimize-vscode --silent --max_old_space_size=4096
+  displayName: 'Scripts'
+
+- script: |
+    ./scripts/test.sh --reporter mocha-junit-reporter
+  displayName: 'Tests'
+
+- task: PublishTestResults@2
+  inputs:
+    testResultsFiles: '**/test-results.xml'    
+  condition: succeededOrFailed()