fixed typo in posting
Merge branch 'master' of github.com:zanshin/zanshin

* 'master' of github.com:zanshin/zanshin:
  posting about using grep
  posting about brew dependencies and picture
  Corrected error pages to show title.
  fixed category misspelling
  Added Yoggrt ad code to post and page templates.
  posting about deleting Ruby gems.
  updated README with new dependencies
  Added Yoggrt ad code and fixed @media stuff.
  link posting about Unix shell if