added zendframework/zendxml into require at Zend\Json's composer.json
move zendxml to suggest and mark to Json::fromXml() as @deprecated
update comment on suggest
Merge branch 'hotfix/#5992-remove-tld-length-limitations'

Close #5992
Update EventManagerInterface.php

Fixing the documentation, the callback is stopping propagation when returning true, not false as documented in this interface.
Merge branch 'hotfix/#6867-fix-eventmanagerinterface-short-circuiting-response-reaction-value'

Close #6867
Merge branch 'hotfix/#6867-fix-eventmanagerinterface-short-circuiting-response-reaction-value' into develop

Close #6867
Forward port #6867
Add MongoDB adapter for Zend\Cache
Cleaned up comments, try/catch blocks and if conditions
Skip MongoDBTest if mongo not enabled, check mongo return value === (double) 1
Additional MongoDB adapter improvements
 * suggest mongofill/mongofill
 * Instantiate MongoCollection in MongoDBResourceManager
 * Allow for all Mongo/MongoClient options to be passed to constructor
 * Implement flushable interface
 * Index collection on 'key' when created
Cleanup use statements/remove array short syntax
Allow Mongo polyfill if Mongo extension is not loaded
Remember to pass driverOptions to Mongo|MongoClient is set
Better handling of namespacePrefix & expires field, additional checks on returned cached items, add MongoID as supported metadata
#6078 - reduce visibility on internal API methods, fix minor docblock issues
#6078 - simplifying implementation details, removing redundant checks
#6078 - minor CS fix (alignment)
#6078 - adding missing dynamically defined property to `CommonAdapterTest`
#6078 - minor CS fixes/cleanups in `MongoDBOptions` implementation