Merge pull request #1 from tillberg/master

Prevent page-scrolling, and (attempt to) vertically middle-align the arrow
Update README.md
Create a config file.
Rename constants for clarity.
Update arduino client to use config file.
Update connect call to use auto-discovery (no args).
Merge pull request #2 from danriti/no-hardware

No hardware (config)
[raspi] add pi-gpio pkg & basic raspi integration. (also, first commit from the pi!!)
Merge branch 'master' of github.com:arizzitano/petbot
[queue] implement rudimentary connection queue
track & broadcast status of local server
Add base dev-autorun script