Improved controller test (added second server).
Fixed default fusion field type (now "text" instead of "string").
Implemented SimpleXmlResponseRenderer as a replacement of a template based xml renderer.
Merge branch 'master' of https://github.com/outermedia/solr-fusion

Conflicts:
	src/test/java/org/outermedia/solrfusion/ControllerTest.java

Minor ClosableListIterator improvement.
Modified code causes by change of adapter's return type.
Merge branch 'master' of https://github.com/outermedia/solr-fusion

Conflicts:
	src/test/java/org/outermedia/solrfusion/ControllerTest.java

Minor ClosableListIterator improvement.
Modified code causes by change of adapter's return type.
Replaced inlined xml response parsing with the usage of the ResponseParserFactory which allows to overwrite the parser for a specific server.