updated plan for cloud
indent
Merging cloud branch
passing serialized xml-formatted Query to shards
Merge branch 'cloud' of https://github.com/msokolov/lux into cloud

Conflicts:
	src/main/java/lux/SearchIteratorBase.java
	src/main/java/lux/SearchResultIterator.java
	src/main/java/lux/functions/SearchBase.java
	src/main/java/lux/solr/CloudQueryRequest.java
	src/main/java/lux/solr/CloudSearchIterator.java
	src/test/java/lux/IndexTestSupportBase.java
	src/test/java/lux/solr/CloudIndexSupport.java
	src/test/java/lux/solr/CloudTest.java