bump CouchDB entity version to 1.7.2
diff --git a/software/nosql/src/main/java/org/apache/brooklyn/entity/nosql/couchdb/CouchDBNode.java b/software/nosql/src/main/java/org/apache/brooklyn/entity/nosql/couchdb/CouchDBNode.java
index 430a2b1..70761e4 100644
--- a/software/nosql/src/main/java/org/apache/brooklyn/entity/nosql/couchdb/CouchDBNode.java
+++ b/software/nosql/src/main/java/org/apache/brooklyn/entity/nosql/couchdb/CouchDBNode.java
@@ -46,7 +46,7 @@
     ConfigKey<String> ARCHIVE_DIRECTORY_NAME_FORMAT = ConfigKeys.newConfigKeyWithDefault(SoftwareProcess.ARCHIVE_DIRECTORY_NAME_FORMAT, "apache-couchdb-%s");
     
     @SetFromFlag("version")
-    ConfigKey<String> SUGGESTED_VERSION = ConfigKeys.newConfigKeyWithDefault(SoftwareProcess.SUGGESTED_VERSION, "1.6.1");
+    ConfigKey<String> SUGGESTED_VERSION = ConfigKeys.newConfigKeyWithDefault(SoftwareProcess.SUGGESTED_VERSION, "1.7.2");
 
     @SetFromFlag("erlangVersion")
     ConfigKey<String> ERLANG_VERSION = ConfigKeys.newStringConfigKey("erlang.version", "Erlang runtime version", "R15B");