Fix few typos

[synaptiko]

Hi guys,

here's the list of what I've fixed:

• quick-tutorial.md:
  • small fix for ssh command
• how-to-accelerometer.md:
  • fix typos: no -> now, bellow -> below
  • remove unused function from the first example
• project-workflow.md:
  • fix few typos and omissions

Hope it helps :-)

[hubpav]

Well, you just made my Friday much better 😄 Thanks a lot for this and Merry Christmas!

[synaptiko]

Thank you, Merry Christmas too :-)