Updated readme and fixed linting errors

Change-Id: I185a961fcfbec37acadd3fc35d9cb6e71883c5ce
diff --git a/src/services/helpers/ui/label_formatter.service.js b/src/services/helpers/ui/label_formatter.service.js
index f23fea4..e01e772 100644
--- a/src/services/helpers/ui/label_formatter.service.js
+++ b/src/services/helpers/ui/label_formatter.service.js
@@ -62,7 +62,7 @@
     * - _formatByUppercase
     * - _capitalize
     * - replace multiple space with a single one
-    * - append `:` at the end 
+    * - append `:` at the end
     * <br/>
     * Eg: `this_string` will became `This string:`<br/>
     * Eg: `thisString` will became `This string:`