Dev dependencies fixed

Thanks to @S1SYPHOS!

Bug fixes

Thanks to community reporting bugs, I was able to fix a few issues.

Foundation 5.5.2

Noticed that I have not updated this in a while. Just a minor update.

First release

I think this is useful enough for public consumption! Need feedback.

• updated to use grunt/libsass
• updated Foundation to 5.3
• updated using more recent h5bp
• added h5bp sass padding-margin classes from @kianoshp