Simplify condition for adding comma between posts

This changes was merged in the original repo at https://github.com/christian-fei/Simple-Jekyll-Search/pull/6
Merge pull request #83 from javiercejudo/patch-1

Simplify condition for adding comma between posts
Update search script
fix(nav): clicking anywhere when the nav is hidden no longer opens the menu
Merge pull request #85 from javiercejudo/patch-1

fix(nav): clicking anywhere when the nav menu is hidden no longer opens it
Optimize script and images
Updating Google Analytics

Updating GA Analytics tracking code to support Demographics Analytics

https://support.google.com/analytics/answer/2444872?hl=en&utm_id=ad
Merge pull request #86 from sandeep/update_ga_script

Updating Google Analytics
Disable Google AdSense ads by default
- Fixes #87, removes blank space on small screens
Fix 'layout: none' warning
Add padding around footer
Limit Kramdown table of contents to h1 and h2's
Center post navigation
Cleanup stylesheets
- Add Bourbon and Neat
Adjust syntax highlighting styling
Remove font size on body element
Update syntax highlighting post
- Remove references to .less
Mention that Octopres is optional
- Used to automate the creation of new posts and pages
Fix overlay background colors
Speed up nav drop down