Initial cut at azure pipline build

.ci/azure-build.yml

+steps:
+- script: |
+    export CXX=${CXX_COMPILER}
+    export CC=${C_COMPILER}
+    # Use TRAVIS_TAG if defined, or the short commit SHA otherwise
+    export VERSION=${TRAVIS_TAG:-$(git rev-parse --short HEAD)}
+- script: |
+    ./.ci/script.sh
+    sed -i -e "s/VERSION_NAME_VALUE/${VERSION}/g" ./.ci/bintray-release.json || true
+    cp ./.ci/bintray-release.json .
+- script: |
+    ./.ci/install.sh
+    export PATH=/usr/local/bin:${PATH}
\ No newline at end of file

azure-pipelines.yml

@@ -4,16 +4,32 @@
 # https://aka.ms/yaml
 
 trigger:
-- master
+  - master
+  - releases/*
 
-pool:
-  vmImage: 'ubuntu-latest'
+pr:
+  - master
+  - releases/*
 
-steps:
-- script: echo Hello, world!
-  displayName: 'Run a one-line script'
+stages:
+- stage: Build
+  jobs:
+  - job: Linux
+    pool:
+      vmImage: 'ubuntu-16.04'
 
-- script: |
-    echo Add other tasks to build, test, and deploy your project.
-    echo See https://aka.ms/yaml
-  displayName: 'Run a multi-line script'
+    steps:
+    - template: .ci/azure-build.yml
+
+  - job: macOS
+    pool:
+      vmImage: 'macOS-10.12'
+    steps:
+    - template: .ci/azure-build.yml
+
+  - job: Windows
+    pool:
+      vmImage: 'vs2017-win2016'
+    
+    steps:
+    - template: .ci/azure-build.yml
\ No newline at end of file