Merge pull request #159 from lbjay/master

Defend against records w/o authors (e.g. 2014Wthr...69...30.)
added blur event and changed the event fired on the back button
changed tour to work with new classic search form
multiple pubs
Merge pull request #160 from aholachek/ads-tour

Ads tour
only allowing first bibstem entry for autocomplete and submitting
Merge pull request #161 from aholachek/pub-vol-page-autocomplete

autocomplete only allows one entry now
only allowing first bibstem entry for autocomplete and submitting

fixed autocomplete issue, changed css for autocomplete
Merge pull request #163 from aholachek/pub-vol-page-autocomplete

only allowing first bibstem entry for autocomplete and submitting