v7.0-beta.167

• Issue #2639 : Fix error message when invalid property values are used.

• Issue #2578 : Fix how application config is (re)loaded so that it copes with null or sparse branches.

• Issue #2361 : Fix create_account command so it allows creation of accounts with no password.

• Issue #2627 : Add processor filter and processor task id to meta.

• Issue #2628 : Add processor filter and processor task id to info log.

• Issue #2647 : Fix Unrecognised permission assigned error in logs.

• Issue #2629 : Change the way duplicate output is handled by deleting previous output from complete tasks at the end of processing.

• Issue #2603 : Add debug to diagnose buffer underflow.