build libs before ide build

package.json

@@ -85,7 +85,7 @@
     "nightwatch_local_editor": "nightwatch ./apps/remix-ide/test-browser/tests/editor.test.js --config apps/remix-ide/nightwatch.js --env chrome ",
     "nightwatch_local_runAndDeploy": "nightwatch ./apps/remix-ide/test-browser/tests/runAndDeploy.js --config apps/remix-ide/nightwatch.js --env chrome-runAndDeploy ",
     "onchange": "onchange apps/remix-ide/build/app.js -- npm-run-all lint",
-    "prepublish": "mkdirp build; npm-run-all -ls downloadsolc_root build",
+    "prepublish": "mkdirp build; npm-run-all -ls downloadsolc_root build:libs build",
     "remixd": "remixd -s ./apps/remix-ide/contracts --remix-ide http://127.0.0.1:4200",
     "selenium": "selenium-standalone start",
     "selenium-install": "selenium-standalone install",
@@ -140,6 +140,7 @@
     "ethereumjs-vm": "4.1.3",
     "http-server": "^0.11.1",
     "npm-install-version": "^6.0.2",
+    "signale": "^1.4.0",
     "time-stamp": "^2.2.0",
     "winston": "^3.3.3"
   },