Merge branch 'stable-2.10' into stable-2.11

* stable-2.10:
  Update version to 2.10.3

Conflicts:
	VERSION
	gerrit-extension-api/pom.xml
	gerrit-plugin-api/pom.xml
	gerrit-plugin-archetype/pom.xml
	gerrit-plugin-gwt-archetype/pom.xml
	gerrit-plugin-gwtui/pom.xml
	gerrit-plugin-js-archetype/pom.xml
	gerrit-war/pom.xml

Change-Id: Ieab4dc23641132cf11a84a30fb8e5af1434112b3