v2.1.0

The v2.1.0 release added missing AlchemyLanguage methods, a Retrieve and Rank + Solrj example, and fixes a bug in Document Conversion(#119).

CHANGES

Added Retrieve and rank solr example 03846d8
Added instructions on how to run the retrieve and rank example ac54847
AlchemyLanguage- geTaxonomy should be getTaxonomy #120 96afc0c
Fix for DocumentConversion media type not supported #119 e3c0a67
Remove useless variables f0c6944
Remove double header from DocumentConversionIntegrationTest 4519967
Remove excessive logging 5033f62
Added getConcepts and getPublicationDate for AlchemyLanguage bf776c0
Add methods to convert documents without MediaType 157b265
Retrieve and Rank: Switch cluster size to be Integer and added an … 064ff25
Update version of java-sdk to 2.0.0 in Solrj example fe00939
Allow creating free clusters for R&R … 72f11b5
Store cluster size as an Integer, use null for free clusters 4be6162
Add method for setting default HTTP headers for all requests #22 15960c9
Add missing import c924848
Fix some Eclipse warnings 5c8b0d0
In ColumnTypeAdapter, set key instead of objective when key is not null. … b43b5d1
Code formatting according to google style guide bef94d9
Make language required when creating a classifier 5294920
Make configureHttpClient protected to allow users to override configuration… dc83091