Merge pull request #1274 from docker-solr/master

Update Solr to 5.4.0

library/solr

@@ -3,5 +3,8 @@
 
 5.3.1: git://github.com/docker-solr/docker-solr@d722c55dd320a812e278a23c60a5d5616515df0b 5.3
 5.3: git://github.com/docker-solr/docker-solr@d722c55dd320a812e278a23c60a5d5616515df0b 5.3
-5: git://github.com/docker-solr/docker-solr@d722c55dd320a812e278a23c60a5d5616515df0b 5.3
-latest: git://github.com/docker-solr/docker-solr@d722c55dd320a812e278a23c60a5d5616515df0b 5.3
+
+5.4.0: git://github.com/docker-solr/docker-solr@3e61ef877ca9d04e7f005cd40ba726abd1f74259 5.4
+5.4: git://github.com/docker-solr/docker-solr@3e61ef877ca9d04e7f005cd40ba726abd1f74259 5.4
+5: git://github.com/docker-solr/docker-solr@3e61ef877ca9d04e7f005cd40ba726abd1f74259 5.4
+latest: git://github.com/docker-solr/docker-solr@3e61ef877ca9d04e7f005cd40ba726abd1f74259 5.4