Add ElasticsearchReader

See hbz/lobid#43 and #291.

* add elasticserach library to pom
* add integration test for documentation
Set eclipse configs to use java 1.7
Reformat using tabs instead of spaces
Add flux using ElasticsearchReader
Add some more logs and measuring
Add flux command
Merge branch 'master' into issue-43-hbz-transformNewBaseDump

Conflicts:
	lodmill-rd/src/main/resources/hbz01-to-lobid.flux
Refactor and improve performance

* correct method name
* extract method
* improve logging
* add more settings
* add choosing shards
* adapt flux
Adapt start script to query everything from elasticsearch
Remove some settings

* increase timeout for scrolling
* add more shards to flux
* add mvn build to script
Change standard mysql table name
Merge pull request #587 from lobid/issue-43-hbz-transformNewBaseDump

Issue 43 hbz transform new base dump