Fix meta description on news page

[hursey013]

Changes proposed in this pull request:

• Uses the main site description for the news page meta description, this resolves the page url unfurling this:
  

Security Considerations

None

[drewbo]

@hursey013 this also happens on the knowledge base page, can you modify for that as well?

[hursey013]

@hursey013 this also happens on the knowledge base page, can you modify for that as well?

This is obviously a hacky solution, but added the knowledgebase url to the conditional as well.

[sknep]

@jamesthebrooks just wanna make sure you're aware of this fix since you prob already forked the site