Typo on Google's initial capital on Oakland Answers post

Should also be either "open source" or "open-source"
Merge pull request #225 from randomecho/oakland-answers-google-capital

Typo on Google's initial capital on Oakland Answers post
state-of-the-art missing its first hyphen as phrasal adjective use
Merge pull request #227 from randomecho/xas-software-hyphens

NIST blog post missing hyphen in state-of-the-art
Resize the logo to the size it's being used.

This fixes the problem with old browsers that don't support the `background-size` property.
269x23