remove wrapping
fixes #7: remove wrapping; manage `NR` namespace
fixes #7: ua.js: remove wrapping; manage `NR` namespace
fixes #7; remove cleaner.js
fixes #7: seed.js: remove `NR._`
fix json
fixes #7: intro.js
fixes #7: module-manager: rename local variables
fixes #7: event.js: rename local functions
fixes #7: fix improper replacement
fixes #7: update build.json
fixes #7: assets.js
fixes #7: moved files