D-Net

Added new method on IndexFeederCollection to allow explicit release of the resources. The "shutdown" method is called to release the solr server connection and avoid the server-side warning: "WARN org.apache.zookeeper.server.NIOServerCnxn – caught end of stream exception...

moved solr-specific properties away from dnet-modular-index-service to dnet-modular-index-solr-service
-commented apparently unused properties
set replicationFactor to 1 (was 0. it was producing an exception)

[maven-release-plugin] prepare for next development iteration

[maven-release-plugin] copy for tag dnet-index-solr-client-2.0.1

[maven-release-plugin] prepare release dnet-index-solr-client-2.0.1

depends on release of dnet-index-client

dependency to junit

The index client is responsible of the translation of tokenizable fields to non-tokenizable field when performing a browse query. Legacy code that were managing browse request via the "groupby" keyword in the query string has been dropped.

corrected typo on method name

[maven-release-plugin] prepare for next development iteration