Checking submission and comment bodies

Expanded to checking submission and comment bodies for subreddit
mentions, as a self post may have a reference inside of itself

Upped new-post threshold to 30

Upped cycle limit to 100 submissions

Waiting 60 seconds between iterations, as that seems to be what the
website does
Merge branch 'master' of https://github.com/BlueRyth/LazyLinkerBot