[Misc] Move jmock related tools to a dedicated module

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

...platform-component/xwiki-platform-component-multi/pom.xml

...-platform-component/xwiki-platform-component-wiki/pom.xml

...onfiguration/xwiki-platform-configuration-default/pom.xml

...atform-container/xwiki-platform-container-portlet/pom.xml

...atform-container/xwiki-platform-container-servlet/pom.xml

...latform-extension/xwiki-platform-extension-script/pom.xml

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

...atform-linkchecker/xwiki-platform-linkchecker-api/pom.xml

...es/xwiki-platform-localization-syntax-messagetool/pom.xml

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

...re/xwiki-platform-query/xwiki-platform-query-xwql/pom.xml

...platform-rendering/xwiki-platform-rendering-xwiki/pom.xml

...tion/xwiki-platform-security-authorization-bridge/pom.xml

...ore/xwiki-platform-sheet/xwiki-platform-sheet-api/pom.xml

...orm-store/xwiki-platform-store-filesystem-oldcore/pom.xml

...xwiki-platform-wysiwyg/xwiki-platform-wysiwyg-api/pom.xml