Bump ip-address from 10.2.0 to 10.4.0 - #277

Changed pages include:

• blog/index.html - view
• details/changesprout-inc-transparency-report.html - view
• details/controlshift-authorized-subprocessors.html - view
• details/getting-started-with-controlshift.html - view
• details/image-attributions.html - view
• details/privacy-and-security.html - view
• resources/getting-started-with-distributed-organizing-petitions.html - view