prebuilt: electron 8 (#1294)

Fixes #1293

.travis.yml

@@ -131,6 +131,14 @@ matrix:
        env: NODE_VERSION="4" # node abi 46
      # electron Linux
      - os: linux
+      compiler: clang
+      env: NODE_VERSION="8" ELECTRON_VERSION="8.0.0"
+      dist: trusty
+      addons:
+        apt:
+            sources: [ 'ubuntu-toolchain-r-test','llvm-toolchain-precise-3.5', 'gcc-multilib', 'g++-multilib', 'libsqlite3-dev:i386' ]
+            packages: [ 'clang-3.5', 'libstdc++-4.9-dev']
+     - os: linux
        compiler: clang
        env: NODE_VERSION="8" ELECTRON_VERSION="7.1.0"
        dist: trusty
@@ -240,6 +248,9 @@ matrix:
             packages: [ 'clang-3.5']
      # electron MacOs
      - os: osx
+        compiler: clang
+        env: NODE_VERSION="8" ELECTRON_VERSION="8.0.0"
+     - os: osx
        compiler: clang
        env: NODE_VERSION="8" ELECTRON_VERSION="7.1.0"
      - os: osx

appveyor.yml

@@ -46,6 +46,16 @@ environment:
     - nodejs_version: 12
       platform: x64
       NODE_RUNTIME: electron
+      NODE_RUNTIME_VERSION: 8.0.0
+      TOOLSET_ARGS: --dist-url=https://electronjs.org/headers
+    - nodejs_version: 12
+      platform: x86
+      NODE_RUNTIME: electron
+      NODE_RUNTIME_VERSION: 8.0.0
+      TOOLSET_ARGS: --dist-url=https://electronjs.org/headers
+    - nodejs_version: 12
+      platform: x64
+      NODE_RUNTIME: electron
       NODE_RUNTIME_VERSION: 7.1.0
       TOOLSET_ARGS: --dist-url=https://electronjs.org/headers
     - nodejs_version: 12