Merge branch 'stable-2.14' into stable-2.15

* stable-2.14:
  Fetch plugins from archive-ci.gerritforge.com
  Set Gerrit to 2.14.21

Change-Id: I021c71c6363b2ec70eb11005a6ac7a81147e8926
diff --git a/docker/centos7/Makefile b/docker/centos7/Makefile
index 38ae723..5aef37d 100644
--- a/docker/centos7/Makefile
+++ b/docker/centos7/Makefile
@@ -1,7 +1,7 @@
 # Customise the following variable as Make parameters
 # to produce a yum.repo for a VENDOR distribution
 # Default values are pointing to GerritForge (www.gerritforge.com)
-VERSION=2.14.21
+VERSION=2.15.18
 RELEASE=1
 REPO_VERSION=1
 REPO_RELEASE=2
@@ -13,7 +13,7 @@
 # End of the variables that can be customized
 
 define DOCKERFILE
-FROM centos:7.3.1611
+FROM centos:7.4.1708
 MAINTAINER $(VENDOR)
 
 # Allow remote connectivity and sudo
diff --git a/docker/ubuntu16.04/Makefile b/docker/ubuntu16.04/Makefile
index 5116319..592ac3c 100644
--- a/docker/ubuntu16.04/Makefile
+++ b/docker/ubuntu16.04/Makefile
@@ -1,7 +1,7 @@
 # Customise the following variable as Make parameters
 # to produce a yum.repo for a VENDOR distribution
 # Default values are pointing to GerritForge (www.gerritforge.com)
-VERSION=2.14.21
+VERSION=2.15.18
 RELEASE=1
 VENDOR=GerritForge
 VENDOR_LC=$(shell echo $(VENDOR) | tr A-Z a-z)
diff --git a/fpm/Makefile b/fpm/Makefile
index 07ae3bf..6182344 100644
--- a/fpm/Makefile
+++ b/fpm/Makefile
@@ -1,4 +1,4 @@
-VERSION=2.14.21
+VERSION=2.15.18
 URL=https://gerrit-releases.storage.googleapis.com/gerrit-$(VERSION).war
 CI_URL=https://archive-ci.gerritforge.com
 RELEASE=1
@@ -21,13 +21,13 @@
 WAR=$(BUILD_ROOT)/bin/gerrit.war
 PLUGINS_CI=https://archive-ci.gerritforge.com/job
 LIBS_JOBS= \
-  plugin-out-of-the-box-bazel-master-stable-2.14/lastSuccessfulBuild/artifact/bazel-bin/plugins/out-of-the-box/out-of-the-box.jar
+  plugin-out-of-the-box-bazel-master-stable-2.15/lastSuccessfulBuild/artifact/bazel-bin/plugins/out-of-the-box/out-of-the-box.jar
 PLUGINS_JOBS= \
-  plugin-plugin-manager-bazel-stable-2.14/lastSuccessfulBuild/artifact/bazel-bin/plugins/plugin-manager/plugin-manager.jar \
-  plugin-avatars-gravatar-bazel-master-stable-2.14/lastSuccessfulBuild/artifact/bazel-bin/plugins/avatars-gravatar/avatars-gravatar.jar \
-  plugin-gitiles-bazel-stable-2.14/lastSuccessfulBuild/artifact/bazel-bin/plugins/gitiles/gitiles.jar \
-  plugin-delete-project-bazel-stable-2.14/lastSuccessfulBuild/artifact/bazel-bin/plugins/delete-project/delete-project.jar \
-  plugin-uploadvalidator-bazel-stable-2.14/lastSuccessfulBuild/artifact/bazel-bin/plugins/uploadvalidator/uploadvalidator.jar
+  plugin-plugin-manager-bazel-stable-2.15/lastSuccessfulBuild/artifact/bazel-bin/plugins/plugin-manager/plugin-manager.jar \
+  plugin-avatars-gravatar-bazel-master-stable-2.15/lastSuccessfulBuild/artifact/bazel-bin/plugins/avatars-gravatar/avatars-gravatar.jar \
+  plugin-gitiles-bazel-stable-2.15/lastSuccessfulBuild/artifact/bazel-bin/plugins/gitiles/gitiles.jar \
+  plugin-delete-project-bazel-stable-2.15/lastSuccessfulBuild/artifact/bazel-bin/plugins/delete-project/delete-project.jar \
+  plugin-uploadvalidator-bazel-stable-2.15/lastSuccessfulBuild/artifact/bazel-bin/plugins/uploadvalidator/uploadvalidator.jar
 
 RPM_OUT=$(OUT)/gerrit-$(VERSION)-$(RELEASE).$(BUILD_ARCH).rpm
 DEB_OUT=$(OUT)/gerrit-$(VERSION)-$(RELEASE).$(BUILD_ARCH).deb
@@ -88,16 +88,16 @@
 	rm -Rf $(SCRIPTS_ROOT)
 
 $(WAR): $(basedir $(WAR))
-	curl -o $@  $(URL)
+	curl -f -o $@  $(URL)
 
 plugins:
 	for job in $(PLUGINS_JOBS); \
-          do curl -o $(BUILD_ROOT)/plugins/`basename $$job` $(PLUGINS_CI)/$$job; \
+          do echo ">> Download: $$job" && curl -f -o $(BUILD_ROOT)/plugins/`basename $$job` $(PLUGINS_CI)/$$job; \
         done
 
 libs:
 	for job in $(LIBS_JOBS); \
-          do curl -o $(BUILD_ROOT)/lib/`basename $$job` $(PLUGINS_CI)/$$job; \
+          do echo ">> Download: $$job" && curl -f -o $(BUILD_ROOT)/lib/`basename $$job` $(PLUGINS_CI)/$$job; \
         done
 
 $(SCRIPTS_ROOT)/%.sh: scripts/%.sh
diff --git a/macOS/Makefile b/macOS/Makefile
index deb53b8..d3e184a 100644
--- a/macOS/Makefile
+++ b/macOS/Makefile
@@ -1,4 +1,4 @@
-VERSION := 2.14.21
+VERSION := 2.15.18
 
 all: server