Revert 895e060..2831c2a

This rolls back to commit 895e0602855add8a6b43b2c5693f821dff0dddf9.
Revert 2831c2a..e3e3340

This rolls back to commit 2831c2a37db8c60fd5e555178bec0911fa908c58.
finished welcome.js

cleaned up welcome.js.
added welcome-archive.js with all versions.