SOLR-5208: Support for the setting of core.properties key/values at create-time on Collections API

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1543996 13f79535-47bb-0310-9956-ffa450edef68
(cherry picked from commit e81572a37d7bb2b356adc1f15718cb61227ec2b7)

Conflicts:
	solr/CHANGES.txt
SOLR-5906: Collection create API ignores property.instanceDir parameter

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene_solr_4_7@1581347 13f79535-47bb-0310-9956-ffa450edef68
(cherry picked from commit e84b59a24490affc10ca16fa029e07c6dea467d2)

Conflicts:
	solr/CHANGES.txt