chore(project): build distro via Travis

* build distributions on Travis CI
* publish to GitHub releases

Related to #787

.travis.yml

@@ -1,5 +1,70 @@
-language: node_js
-node_js: 'node'
+cache:
+  directories:
+  - node_modules
+  - $HOME/.cache/electron
+  - $HOME/.cache/electron-builder
 
-script:
-  - npm run all
+jobs:
+  include:
+    - stage: test
+      node_js: node
+      language: node_js
+      script: "npm run all"
+    - stage: "distro [windows+linux]"
+      os: linux
+      services: docker
+      language: generic
+      script:
+      - |
+        docker run --rm \
+          --env-file <(env | grep -E 'DEBUG|NODE_|ELECTRON_|NPM_|CI|TRAVIS|WIN_CSC_|CSC_|_TOKEN|_KEY|AWS_|STRIP|BUILD_') \
+          -v ${PWD}:/project \
+          -v ~/.cache/electron:/root/.cache/electron \
+          -v ~/.cache/electron-builder:/root/.cache/electron-builder \
+          electronuserland/builder:wine \
+          /bin/bash -c "npm i && npm run build -- --win --linux --publish"
+    - stage: "distro [macos]"
+      os: osx
+      osx_image: xcode9
+      node_js: node
+      language: node_js
+      env:
+        - ELECTRON_CACHE=$HOME/.cache/electron
+        - ELECTRON_BUILDER_CACHE=$HOME/.cache/electron-builder
+      script: npm run build -- --mac --publish
+    - stage: "nightly build [windows+linux]"
+      os: linux
+      services: docker
+      language: generic
+      script:
+      - |
+        docker run --rm \
+          --env-file <(env | grep -E 'DEBUG|NODE_|ELECTRON_|NPM_|CI|TRAVIS|WIN_CSC_|CSC_|_TOKEN|_KEY|AWS_|STRIP|BUILD_') \
+          -v ${PWD}:/project \
+          -v ~/.cache/electron:/root/.cache/electron \
+          -v ~/.cache/electron-builder:/root/.cache/electron-builder \
+          electronuserland/builder:wine \
+          /bin/bash -c "npm i && npm run build -- --win --linux --nightly --no-publish"
+    - stage: "nightly build [macos]"
+      os: osx
+      osx_image: xcode9
+      node_js: node
+      language: node_js
+      env:
+        - ELECTRON_CACHE=$HOME/.cache/electron
+        - ELECTRON_BUILDER_CACHE=$HOME/.cache/electron-builder
+      script: npm run build -- --mac --nightly --no-publish
+
+before_cache:
+  - rm -rf $HOME/.cache/electron-builder/wine
+
+stages:
+  - test
+  - name: "distro [windows+linux]"
+    if: tag =~ ^v\d
+  - name: "distro [macos]"
+    if: tag =~ ^v\d
+  - name: "nightly build [windows+linux]"
+    if: type IN (cron)
+  - name: "nightly build [macos]"
+    if: type IN (cron)

client/Gruntfile.js

@@ -149,15 +149,15 @@ module.exports = function(grunt) {
 
   grunt.registerTask('auto-test', [ 'karma:unit' ]);
 
-  grunt.registerTask('build-client', [
+  grunt.registerTask('build', [
     'browserify:client',
     'less',
     'copy'
   ]);
 
   grunt.registerTask('default', [
     'test',
-    'build-client'
+    'build'
   ]);
 
   grunt.registerTask('auto-build', [

client/package.json

@@ -7,6 +7,7 @@
     "test": "cross-env NODE_ENV=test grunt test",
     "auto-test": "cross-env NODE_ENV=test grunt auto-test",
     "all": "cross-env NODE_ENV=production grunt",
+    "build": "cross-env NODE_ENV=production grunt build",
     "dev": "cross-env NODE_ENV=development grunt auto-build"
   },
   "dependencies": {

electron-builder.json

@@ -1,15 +1,9 @@
 {
-  "artifactName": "${productName}-${version}-${os}-${arch}.${ext}",
+  "appId": "com.camunda.CamundaModeler",
+  "productName": "Camunda Modeler",
   "directories": {
     "output": "distro"
   },
-  "extraFiles": [
-    {
-      "from": "resources/platform/base",
-      "to": ".",
-      "filter": [ "**/*" ]
-    }
-  ],
   "files": [
     {
       "filter": [
@@ -34,7 +28,7 @@
     ]
   },
   "linux": {
-    "category": "Education",
+    "category": "Development",
     "target": [
       {
         "target": "tar.gz",