Changes

* ''This package should not be a full-fledged browser.''

** Don't allow access to URLs that start with anything other than "http://www.c3dl.org/".

** Remove browser buttons from the interface (such as the back button).

* ''End goal is to only have examples accessible.''

** Examples can be downloaded when user has internet access.

** Examples will be saved locally for times when internet is not available.

** Examples are accessible from a dropdown menu.

* ''Canvas 3d Library source can be saved for a later release.''