specifying the locale jsons to be in the exact style of poeditor should cut down on unneccessary changes ('churn')

Signed-off-by: Claudius <opensource@amenthes.de>

.editorconfig

@@ -17,3 +17,9 @@ trim_trailing_whitespace = false
 [{.travis.yml,npm-shrinkwrap.json,package.json}]
 indent_style = space
 indent_size = 2
+
+[locales/*.json]
+# this is the exact style poeditor.com exports, so this should prevent churn.
+insert_final_newline = false
+indent_style = space
+indent_size = 4

app.js

@@ -115,6 +115,7 @@ if (config.csp.enable) {
 i18n.configure({
   locales: ['en', 'zh-CN', 'zh-TW', 'fr', 'de', 'ja', 'es', 'ca', 'el', 'pt', 'it', 'tr', 'ru', 'nl', 'hr', 'pl', 'uk', 'hi', 'sv', 'eo', 'da', 'ko', 'id', 'sr'],
   cookie: 'locale',
+  indent: '    ', // this is the style poeditor.com exports it, this creates less churn
   directory: path.join(__dirname, '/locales'),
   updateFiles: config.updateI18nFiles
 })