search: show error message if book has not been indexed

[mangtronix]

The search results now include an "indexed" property that can be used to determine if the book has been indexed in the search engine. If the book is NOT indexed ("indexed": False) we could show an error message and possibly log the condition to analytics so we can look at why the book isn't indexed.

[mangtronix (mang)]

http://ia600300.us.archive.org/~edward/inside.php?item_id=farcountriesasse00long&doc=farcountriesasse00long&path=/18/items/farcountriesasse00long&q=%22distance%22&callback=reply

reply( {
  "ia": "farcountriesasse00long",
  "q": "\"distance\"",
  "matches": [],
  "indexed": false
} )

[mangtronix (mang)]

Text for message:
"This book isn't in the search engine yet. Please <link>drop us a line</link> so we can fix it. Thanks!"

link:
http://openlibrary.org/contact?path=/stream/{itemid}/search

[raj (raj-archive)]

Fixed in my fork (will merge cleanly into upstream): https://github.com/rajbot/bookreader/commits/newui