update changelog

CHANGELOG.md

@@ -1,4 +1,4 @@
-# master/unreleased
+# v0.12.0
 
 * support pickle protocol versions 0, 1, 2, 3 & 4 + accept pickle arrays + send pickle tuples. #341
 * fix different connections to same host:port using same spool file, by adding instance to destination key. #349
@@ -13,6 +13,9 @@
   - new stats for CPU, memory and golang GC under `carbon-relay-ng.stats.$instance.*
   - give aggregators a "key" property for use in stats (`$aggregator` above), printed at startup and in web ui.
   - process pending aggregations more eagerly - instead of waiting - when relay is somewhat loaded.
+* Fix bad regex cache clean up resulting in unbounded growth #365
+* Fix deadlock in keepSafe #369
+* Embed bootstrap, jquery, etc, instead of pulling in from the internet. #371
 
 
 # v0.11.0: memleak fix, new logging, major input refactor and more. Nov 9, 2018