CHANGELOG.md in librato-rails-0.11.1 vs CHANGELOG.md in librato-rails-0.12.0.beta

@@ -1,4 +1,8 @@
+###
+* Add percentile support for timings
+* Start reporting 95th percentile for key ActionController metrics
+
 ### Version 0.11.1
 * Use controller/action as source for instrument_action metrics
 
 ### Version 0.11.0
 * Add instrument_action for profiling a specific controller action