Mention that Octopres is optional
- Used to automate the creation of new posts and pages
Fix overlay background colors
Speed up nav drop down
Improve navigation and search overlay on small screens
- Fixes #88
Adding class for centering in markdown

With this you can easily center text by use of markdown's *IALs* (Block Inline Attribute Lists).


**Example:**
{:.center}
Your text

**Will result in:**
<p class="center">Your text</p>

So CSS will "text-align:center".
Merge pull request #92 from ACCakut/patch-1

Adding class for centering in markdown
Remove protocol
Add Vimeo video as a test
Merge upstream so-simple-theme updates.

Merge remote-tracking branch 'upstream/master'