Set version to 2.15.4-SNAPSHOT

Change-Id: I37c6775c74196e75582ce1dfb1403158f9039b3b

gerrit-acceptance-framework/pom.xml

diff --git a/gerrit-acceptance-framework/pom.xml b/gerrit-acceptance-framework/pom.xml
index aec8e7a4..b220ad5 100644
--- a/gerrit-acceptance-framework/pom.xml
+++ b/gerrit-acceptance-framework/pom.xml
@@ -2,7 +2,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.gerrit</groupId>
   <artifactId>gerrit-acceptance-framework</artifactId>
-  <version>2.15.3</version>
+  <version>2.15.4-SNAPSHOT</version>
   <packaging>jar</packaging>
   <name>Gerrit Code Review - Acceptance Test Framework</name>
   <description>Framework for Gerrit's acceptance tests</description>

gerrit-extension-api/pom.xml

diff --git a/gerrit-extension-api/pom.xml b/gerrit-extension-api/pom.xml
index 0c03216..ba8a07a 100644
--- a/gerrit-extension-api/pom.xml
+++ b/gerrit-extension-api/pom.xml
@@ -2,7 +2,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.gerrit</groupId>
   <artifactId>gerrit-extension-api</artifactId>
-  <version>2.15.3</version>
+  <version>2.15.4-SNAPSHOT</version>
   <packaging>jar</packaging>
   <name>Gerrit Code Review - Extension API</name>
   <description>API for Gerrit Extensions</description>

gerrit-plugin-api/pom.xml

diff --git a/gerrit-plugin-api/pom.xml b/gerrit-plugin-api/pom.xml
index 1784ded..2cb31be 100644
--- a/gerrit-plugin-api/pom.xml
+++ b/gerrit-plugin-api/pom.xml
@@ -2,7 +2,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.gerrit</groupId>
   <artifactId>gerrit-plugin-api</artifactId>
-  <version>2.15.3</version>
+  <version>2.15.4-SNAPSHOT</version>
   <packaging>jar</packaging>
   <name>Gerrit Code Review - Plugin API</name>
   <description>API for Gerrit Plugins</description>

gerrit-plugin-gwtui/pom.xml

diff --git a/gerrit-plugin-gwtui/pom.xml b/gerrit-plugin-gwtui/pom.xml
index 73d6a96..0034b8f 100644
--- a/gerrit-plugin-gwtui/pom.xml
+++ b/gerrit-plugin-gwtui/pom.xml
@@ -2,7 +2,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.gerrit</groupId>
   <artifactId>gerrit-plugin-gwtui</artifactId>
-  <version>2.15.3</version>
+  <version>2.15.4-SNAPSHOT</version>
   <packaging>jar</packaging>
   <name>Gerrit Code Review - Plugin GWT UI</name>
   <description>Common Classes for Gerrit GWT UI Plugins</description>

gerrit-war/pom.xml

diff --git a/gerrit-war/pom.xml b/gerrit-war/pom.xml
index 198fc13..0155b04 100644
--- a/gerrit-war/pom.xml
+++ b/gerrit-war/pom.xml
@@ -2,7 +2,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.gerrit</groupId>
   <artifactId>gerrit-war</artifactId>
-  <version>2.15.3</version>
+  <version>2.15.4-SNAPSHOT</version>
   <packaging>war</packaging>
   <name>Gerrit Code Review - WAR</name>
   <description>Gerrit WAR</description>

version.bzl

diff --git a/version.bzl b/version.bzl
index 8224ed1..dc7eb94 100644
--- a/version.bzl
+++ b/version.bzl
@@ -2,4 +2,4 @@
 # Used by :api_install and :api_deploy targets
 # when talking to the destination repository.
 #
-GERRIT_VERSION = "2.15.3"
+GERRIT_VERSION = "2.15.4-SNAPSHOT"