Merge branch 'change/selenium-server' into 'develop'

Nightwatch config for selenium-server and gitignore changes

See merge request pleroma/pleroma-fe!1806

.gitignore

@@ -8,3 +8,4 @@ selenium-debug.log
 .idea/
 config/local.json
 static/emoji.json
+logs/

test/e2e/nightwatch.conf.js

@@ -9,7 +9,7 @@ module.exports = {
 
   selenium: {
     start_process: true,
-    server_path: 'node_modules/selenium-server/lib/runner/selenium-server-standalone-2.53.1.jar',
+    server_path: require('selenium-server').path,
     host: '127.0.0.1',
     port: 4444,
     cli_args: {