renamed client.adminExecute() to client.executeCollection() to make room for the possibility of client.executeCore() later.
renamed client.adminExecute() to client.executeCollection() to make room for the possibility of client.executeCore() later.

lbdremy/solr-node-client,godong9/solr-node-client,lbdremy/solr-node-client,CondeNast/solr-node-client,luketaverne/solr-node-client,nicolasembleton/solr-node-client