Add coffeelint install & usage instructions on readme files

README.md

@@ -58,6 +58,12 @@ Run the tests with:
 bin/rspec
 ```
 
+Run the [coffeelint](http://www.coffeelint.org/) linter for coffeescript (install with `npm install -g coffeelint`) :
+
+```
+coffeelint .
+```
+
 You can use the default admin user from the seeds file:
 
  **user:** admin@consul.dev

README_ES.md

@@ -58,6 +58,12 @@ Para ejecutar los tests:
 bin/rspec
 ```
 
+Usa el linter coffeescript [coffeelint](http://www.coffeelint.org/) (puedes instalaro con `npm install -g coffeelint`) :
+
+```
+coffeelint .
+```
+
 Puedes usar el usuario administrador por defecto del fichero seeds:
 
  **user:** admin@consul.dev