Update blog layout

- only one column for entries
- back link added to the bottom of an entry
- remove unnecessary HTML elements
Merge branch 'hotfix/homepage-banner'
Merge pull request #100 from froschdesign/hotfix/blog

Update blog layout
[#100] Added missing echo

- Without it, the list was not being rendered!
[#100] re-compiled blog

- so that layout changes take effect
Merge branch 'hotfix/100' into develop

Forward port #100