Bump version to 1.2.4-rc1

Signed-off-by: Nishant Totla <nishanttotla@gmail.com>

CHANGELOG.md

@@ -1,5 +1,15 @@
 # Changelog
 
+## 1.2.4 (2016-06-14)
+
+#### API
+
+- Code refactoring
+
+#### Test
+
+- Fix leader election tests
+
 ## 1.2.3 (2016-05-25)
 
 #### API
@@ -7,7 +17,6 @@
 - Update `engine-api` vendoring (supports new functions and signatures)
 - Fix registry auth bug for image pulls
 
-
 ## 1.2.2 (2016-05-05)
 
 #### Cluster management

version/version.go

@@ -2,7 +2,7 @@ package version
 
 var (
 	// VERSION should be updated by hand at each release
-	VERSION = "1.2.3"
+	VERSION = "1.2.4"
 
 	// GITCOMMIT will be overwritten automatically by the build system
 	GITCOMMIT = "HEAD"