Fix the 1.12.8 release announcement
Implemented floating "z-ray" bar
Recompiled blog
Merge branch 'feature/zray-bar'
Merge pull request #151 from ezimuel/fix/release-1-12-8

Fix the 1.12.8 release announcement
Update "updated" value for post

- And also added a note at the bottom of the announcement.
Recompiled blog
Merge branch 'hotfix/151'

Close #151