Added a "changes" hook. Renamed the "change" hook to "rendered", but
[ikiwiki] / underlays /
drwxr-xr-x   ..
drwxr-xr-x - attachment
drwxr-xr-x - basewiki
drwxr-xr-x - javascript
drwxr-xr-x - jquery
drwxr-xr-x - openid-selector
drwxr-xr-x - osm
drwxr-xr-x - smiley