Remove extraneous public/system folder.

Removed an extraneious public folder that had somehow appeared inside
the stapler source code.
Merge branch 'development'
Implement ability to load remote file from url.

Working on implementing the ability to load a remote file via URL via
CURL.
Fix interpolation bug.

Fixed a regression bug in the interpolator that was causing the
:basename and :extension interpolations to break.
Merge branch 'master' into development
Fix bugs in IOWrapper.

Fixed minor bugs in the IOWrapper that were occuring when attempting to
load a remote file.  Removed the UploadedFile regitration from the
StaplerServiceProvider since it's not being used anymore.