Upgraded CrateDB to 2.1.7

library/crate

@@ -10,12 +10,12 @@
 
 # see also https://crate.io
 
-latest: git://github.com/crate/docker-crate@e8924e1bd476311cadc92a50ea06b992e0672eb3
+latest: git://github.com/crate/docker-crate@21b3ccb1b09845558fefc3a822132ecb1c8161e6
 1.0: git://github.com/crate/docker-crate@89e1557944b257c9e56b0e93a458eb6f0238ece3
 1.0.6: git://github.com/crate/docker-crate@89e1557944b257c9e56b0e93a458eb6f0238ece3
 1.1: git://github.com/crate/docker-crate@019830ed59c4b110f8c93f30430d282818ad95ec
 1.1.6: git://github.com/crate/docker-crate@019830ed59c4b110f8c93f30430d282818ad95ec
 2.0: git://github.com/crate/docker-crate@79d51bb263104ccd2d3c57a5d74c16d6f0466d21
 2.0.7: git://github.com/crate/docker-crate@79d51bb263104ccd2d3c57a5d74c16d6f0466d21
-2.1: git://github.com/crate/docker-crate@e8924e1bd476311cadc92a50ea06b992e0672eb3
-2.1.6: git://github.com/crate/docker-crate@e8924e1bd476311cadc92a50ea06b992e0672eb3
+2.1: git://github.com/crate/docker-crate@21b3ccb1b09845558fefc3a822132ecb1c8161e6
+2.1.7: git://github.com/crate/docker-crate@21b3ccb1b09845558fefc3a822132ecb1c8161e6