Added backward compatibility for the previous staticfiles commit
Tidied up the last staticfiles commit
Removed border on default CSS preview to make it prettier
Moved the rendering of the pagedown widget to a separate template. Added ability to globally and 'per-field' enabling or disabling of the markdown preview
Added the ability to globaly and locally change the template used for rendering the pagedown widget
Moved the staticfiles finder into utils
Minor readme change
Added ability to overwrite which CSS file is used by default
Added the ability to customise the CSS for the widgets
Bumped version and changes