Made title visible in tag template

Made the title visible at all times as it presented as a inconsistency
in the template.
Merge pull request #94 from nblackburn/master

Made title visible in tag template
Fix inconsistencies between archive header vs home header
Better author meta mobile styles

Fixes #97
Fix giant gap on single post pages
Merge branch 'master' of https://github.com/TryGhost/Casper into undoctrinate