CDK-731. Ignore Netbeans nbactions.xml files.

Closes #251
CDK-733: Add morphline support for deleting documents stored in Solr by unique id and by query
CDK-734: Upgrade maxmind-db from version 0.3.3 to 1.0.0
CDK-733: cleanup
CDK-733: also test ordering is honoured
add test for partial updates to existing Solr documents
add test that updates a multi-valued Solr field with multiple values
add test that removes Solr field
enhance doc for xquery morphline command
CDK-733: Improve performance of deleteByQuery in loadSolr morphline command via batching
CDK-733: cleanup
CDK-733: Add doc for morphline support for deleting documents stored in Solr by unique id and by query
CDK-733: simplify syntax for deleteById and deleteByQuery in loadSolr command
CDK-733: cleanup
CDK-733: Add doc for partial updates in loadSolr morphline command
CDK-733: cleanup
CDK-733: fix doc bug
CDK-733: cleanup
CDK-733: doc enhancements
CDK-733: cleanup