Update OOjs UI to v0.1.0-pre (8197f2cd2e)

New changes:
036b066 Make demos point to symlinks to /dist and /lib for doc publishing needs
eba79af Followup d7cbc785a: focus iframe content div before open event
8197f2c Fix WindowSet#getCurrentWindow documentation

Change-Id: I98c539eb4bc35c04142e4dd196db4ad567ed741c
Merge "Update OOjs UI to v0.1.0-pre (8197f2cd2e)"