anchor.diff:  Compiling "resources/public/js/app.js" from ["src/cljs"]...
   ----
   
  -
   === Frontend development dependencies
   
  -As first step, you need *ruby*, *nodejs*, *bundler*, *gulp* and *bower* installed.
  +You need *ruby*, *nodejs*, *bundler*, *gulp* and *bower* installed.
   
   Install ruby and nodejs from your operating system package manager.
  -
   
   Install bundler using _gem_ in a user home directory:
   
  
positive.code: variable.
  
  Having ruby and bundler installed, you need install all dependencies
  for sass compiler:
  
  ----
  $ bundle install
  
negative.code: 
  === ClojureScript compiler
  
  Used for compiling the frontend application.
  
  ----
  $ cd openslack
  