add test of online script
add ability to specify dependency from url

experimental
change example in readme.md to use online version instead of package version
also make the example use url rather than package
set `config` and `package` as `attr` to complete online transformation
combine all attrs in structure to clarify code
make package na rather than null so gets passed through
change spin.js to return object and work on method to have widget object repo in case of multiple
set up spin.js to return spinner inside anonymous function
spin.js will now return an object with the widget, payload, and a type
tidy up object return in spin.js and add example
make an example with two spinners; delete manual example
make both spinners show up by setting position = "relative"
add nojekyll for gh-pages
try to change to the new widget structure
minor change to comment `install_github`
change readme.md to install gh-pages branch
Merge pull request #1 from timelyportfolio/gh-pages

merge gh-pages into master