46383: ALF-17893: CLONE - Mappings for Metadata Extractors Should be Defined in Config
- Added support for new alfresco/metadata location will preserving backwards compatibility with the old location
- Added tests for support of properties in the new location, the old location, and that on missing properties the error thrown indicates the new location
- Updated JavaDoc for new alfresco/metadata location
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@46392 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
ApplicationContextHelper now gives out a singleton ApplicationContext and includes a 'closeApplicationContext' method.
Pulled all "org.alfresco.repo.content/**Test" classes into a single test suite.
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5722 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
