Add an action to make Approval Body Roles "watchers" of requests.

application/controllers/ApprovalchainmanagerController.php

application/models/rows/ApprovalActionWatchers.php

application/models/rows/RequestWatcher.php

application/models/tables/ApprovalActionsWatchers.php

application/models/tables/ApprovalBodyRoleQueues.php

application/models/tables/RequestWatchers.php

...ation/views/approval_actions/ApprovalActionWatchers.xhtml

application/views/approval_chain_manager.xhtml

application/views/home.xhtml

document_root/javascript/approval_chain_manager.js