Add CI build through Electron

.travis.yml

@@ -0,0 +1,18 @@
+notifications:
+  email: false
+
+language: node_js
+node_js:
+  - "6"
+os:
+  - linux
+  - osx
+env:
+  - TARGET_ARCH=x64
+osx_image: xcode7.3
+
+script: './script/cibuild'
+
+branches:
+  only:
+    - master

appveyor.yml

@@ -0,0 +1,24 @@
+version: "{build}"
+
+clone_depth: 10
+
+os: Visual Studio 2015
+
+init:
+  - git config --global core.autocrlf input
+
+platform:
+  - x64
+
+install:
+  - cmd: SET PATH=C:\Program Files (x86)\MSBuild\14.0\bin\;%PATH%
+  - cmd: SET PATH=C:\python27;%PATH%
+  - cmd: bash script/cibuild
+
+branches:
+  only:
+    - master
+
+# disable build and test phases
+build: off
+test: off

script/cibuild

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+
+set -ex
+
+# Make cloned repository complete
+git fetch --unshallow origin HEAD
+
+# Clone Electron
+git clone https://github.com/electron/electron --depth 1 --recursive
+
+# Checkout current native_mate commit into Electron
+cd electron/vendor/native_mate
+git fetch ../../..
+git reset --hard FETCH_HEAD
+
+# Commit change
+cd ../..
+git add vendor/native_mate
+git config --local user.email "test@github.com"
+git config --local user.name "Test"
+git commit --message 'Upgrading native_mate'
+
+# Bootstrap Electron
+npm run bootstrap -- --dev
+
+# Build Electron with native_mate commit
+npm run build