RawHistoryDemo is like the HistoryDemo, but inherits RawHistory.
Remove type= attribute not understood by older GWT.
Remove the hash and space which are illegal in URLs.
add charset and remove language for validation
dev.rawhistory to launch DevMode
Alterate implementation extends HistoryImpl, doesn't encode/decode the hash, and doesn't use location.hash
Don't use location.hash and don't use Impl.setTimeout from GWT trunk.
Don't set location.hash which causes encoding issues.
Updated demos with better layout, style, and descriptions.