mb13 doc tweaks
With PR - the auto-generated docs have changed.
This is just to check in the changed docs.
@@ -13,8 +13,8 @@ Indexing the Tweets2013 collection:
nohup sh target/appassembler/bin/IndexCollection -collection TweetCollection \
-generator TweetGenerator -threads 44 -input /path/to/mb13 -index \
lucene-index.mb13.pos+docvectors -storePositions -storeDocvectors -storeRawDocs \
--uniqueDocid -tweet.keepUrls -tweet.stemming >& log.mb13.pos+docvectors+rawdocs \
-&
+-uniqueDocid -optimize -tweet.keepUrls -tweet.stemming >& \
+log.mb13.pos+docvectors+rawdocs &
```
__NB:__ The process is backgrounded
