anchor.diff:  $ gulp
   ----
   
  -
   === Browser enabled REPL
   
   All dependencies and settings for making work browser enabled repl
  
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
  