Added some notes about reporting bugs.
Switched to a more accessible placeholder polyfill.
Updated URL for placeholder plugin.
Fixed some typos.
Updated to reflect latest nav changes.
Updated documentation concerning placeholder polyfill.
Added small screen nav to README.
Dropped TODO – category nesting should be fixed in the core/plugin.
Removed redundant info from README.
Updated README with notes on layout options.
Updated README with testing instructions.
Updated README with notes on theme option.
Rudimentary README. Basically a »use at your own risk« warning.