Fixes #1002: Upgrade to minimal electron builder to enable build with…

…out breaking (electron-userland/electron-builder#3990). Updated CLI colour so visible on black/white bgrounds. Updated dev config so shows full e2e for just dev as in all.

.electron-vue/dev-runner.js

@@ -155,7 +155,7 @@ function greeting () {
 
   if (text) {
     say(text, {
-      colors: ['yellow'],
+      colors: ['blue'],
       font: 'simple3d',
       space: false
     })

package.json

@@ -28,7 +28,7 @@
     "test": "(yarn run unit || yarn -v) && yarn run e2e",
     "unit": "yarn run clean && karma start test/unit/karma.conf.js",
     "e2e": "yarn run clean && yarn run pack && yarn run cucumber:postpack",
-    "e2e:dev": "yarn run cucumber:postpack:dev && yarn run cucumber:report",
+    "e2e:dev": "yarn run clean && yarn run pack && run cucumber:postpack:dev && yarn run cucumber:report",
     "cucumber:postpack": "cross-env BABEL_ENV=test nyc cucumber-js --require-module @babel/register test/features -f json:test/cucumber_report.json",
     "cucumber:postpack:dev": "cross-env BABEL_ENV=test cucumber-js --fail-fast --require-module @babel/register --tags @dev test/features",
     "cucumber:postpack:impl": "cross-env BABEL_ENV=test nyc cucumber-js --require-module @babel/register --tags @impl test/features -f json:test/cucumber_report.json",
@@ -166,7 +166,7 @@
     "del": "^3.0.0",
     "devtron": "^1.4.0",
     "electron": "^2.0.12",
-    "electron-builder": "^20.44.4",
+    "electron-builder": "^21.2.0",
     "electron-debug": "^1.5.0",
     "electron-devtools-installer": "^2.2.4",
     "eslint": "^5.7.0",