Updated gradle props to release a new version 0.12.4 (#36)

bump version to 0.12.4

Author: pthirun

README.md

@@ -102,3 +102,7 @@ Finally, Tehuti can report metrics so that they can be picked up by external sys
 
     MetricsRepository metrics = new MetricsRepository(); // this is the global repository of metrics and sensors
     metrics.addReporter(new JmxReporter("prefix.for.all.metrics.names."));
+
+## Tags
+
+To tag a new version of of Tehuti, please bump the `version` field in the `gradle.properties` file.

gradle.properties

@@ -1,6 +1,6 @@
 group=io.tehuti
 archivesBaseName=tehuti
-version=0.12.3
+version=0.12.4
 
 signing.enabled=false
 signing.keyId=