[maven-release-plugin] prepare for next development iteration

pom.xml

xwiki-platform-core/pom.xml

xwiki-platform-core/xwiki-platform-activitystream/pom.xml

xwiki-platform-core/xwiki-platform-administration/pom.xml

...on/xwiki-platform-administration-test-pageobjects/pom.xml

...m-administration/xwiki-platform-administration-ui/pom.xml

xwiki-platform-core/xwiki-platform-annotations/pom.xml

...atform-annotations/xwiki-platform-annotation-core/pom.xml

...platform-annotations/xwiki-platform-annotation-io/pom.xml

...-annotations/xwiki-platform-annotation-maintainer/pom.xml

...m-annotations/xwiki-platform-annotation-reference/pom.xml

...atform-annotations/xwiki-platform-annotation-rest/pom.xml

...m-annotations/xwiki-platform-annotation-scripting/pom.xml

...ations/xwiki-platform-annotation-test-pageobjects/pom.xml

...platform-annotations/xwiki-platform-annotation-ui/pom.xml

...-platform-core/xwiki-platform-application-manager/pom.xml

...on-manager/xwiki-platform-application-manager-api/pom.xml

...ion-manager/xwiki-platform-application-manager-ui/pom.xml

xwiki-platform-core/xwiki-platform-appwithinminutes/pom.xml

.../xwiki-platform-appwithinminutes-test-pageobjects/pom.xml