Update hc-sr04.md with link to docs setup instructions

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>
Updating `require` for tmp36 example to use local `johnny-five`.
Edits to `sensor-temperature-tmp36` example for somewhat pedantic clarity; adding fritzing.

Also note: docs regenerated. Should fix some currently-broken links for newer LED examples.
Adding new docs files and new breadboard diagrams.
Merge branch 'master' of https://github.com/rwaldron/johnny-five

# By Lyza Danger Gardner (3) and Rick Waldron (1)
# Via Lyza Danger Gardner
* 'master' of https://github.com/rwaldron/johnny-five:
  Adding new docs files and new breadboard diagrams.
  Edits to `sensor-temperature-tmp36` example for somewhat pedantic clarity; adding fritzing.
  Updating `require` for tmp36 example to use local `johnny-five`.
  Update hc-sr04.md with link to docs setup instructions