updating project installation instruction
return all busses

- created a new rout to return all busses under ‘riob.us/all'
- now we receive, from child process, the object that represents the
whole dadosabertos parsed json.
updating intervalTime and sending json to parent

- intervalTime can now be changed on our JSON configuration file and
our code will change it on ‘setInterval()’.
- sending the exact json parsed from dadosabertos to parent thread so
it can outputs it on its rest interface.