v6.1-beta.9

* Issue **#1300** : Multiple changes to annotations.

* Issue **#1265** : Added `modulus()` function along with alias `mod()` and modulus operator `%`.

* Issue **#1300** : Added `annotation()` link creation function, `currentUser()` alias for `param('currentUser()')` and additional link creation functions for `data()` and `stepping()`.

* Issue **#67** : Table columns now display menu items on left click.

* Uplift stroom-query to v2.2.4 to add better diagnostic logging.