feat(WordPress): removed WordPress default styling in Hoverboard

The default styles were too abusive. Way too many !important hacks.
Took them out altogether in favor of bundling them into child
themes, where they can be edited without hacking the Christ out of
the stylesheet.
Merge pull request #6 from copterlabs/feature/wp-cleanup

feat(WordPress): removed WordPress default styling in Hoverboard
Merge branch 'develop' of github.com:copterlabs/hoverboard into develop