Fixing image asset paths for recently imported blog posts

- Fixes 598
Merge pull request #611 from rackerlabs/gh-598

Fixing image asset paths for recently imported blog posts
Holy mackerel! There were a lot of bad more tags
Invoke script/rmmon automatically from deploy.
Move script/rmmon to monitoring.yml.
Missing `<!-- more -->` excerpt tags
Legit word, grammar. But wrong word.
Blog Contribution guidelines
WIP blog contribution guidelines
Mostly done with contributor aspect
removing backticks