fixed zk chroot parsing
replace literal
added utility to parse zookeper connection url, to be used by modules needing to create a client
branch for solr 7.5.0
reverted to r49022
solr stuff moved here from mapping-utils
using empty map constructor for org.apache.solr.common.SolrInputDocument
added base64 mode
codebase used to migrate to java8 the production system