Fleshed out "binding to socket" example
Added link to cron exaplanation site

Added gotcha about line breaks in crontab file
Fleshed out DHCP article
Added another cron site, fixed based on comments
Typo
Fixed code block formatting
Merge pull request #209 from mynamewastaken/master

Added some text to cron/troubleshooting articles, fleshing out DHCP