update names for scripts and docs in readme about that

Create exportless shadow-boxing.js

Rename shadow-boxing.js to shadow-boxing-module.js

Update README.md

Update README.md

Merge pull request #3 from bkardell/bkardell-patch-1

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Update README.md

Add support for page-push-select modes

Update README.md

Update README.md

Update README.md

Update shadow-boxing.js

Update LICENSE

Update README.md