series pages should respect top tag/tag list option from theme settings
fix wonky admin formatting of checkboxes and radio buttons
merging some recent updates from master -> develop
show excerpt box on post edit screen by default
Merge pull request #198 from drywall/pure-develop

Various bugfixes
add $in_same_cat limiter to next/prev post nav
top tags not just for home anymore
global $tags isn't actually defined anywhere on category pages
for some reason all of the mixins were duplicated in post-page-styles.less
code formatting and cleanup
Fixing a terrible assumption about the number of posts in a series or category when calculating related posts