feat: update event names for OZ standards and test them

test/mocks/RBACMock.sol

@@ -0,0 +1,69 @@
+pragma solidity ^0.4.8;
+
+import '../../contracts/ownership/rbac/RBAC.sol';
+
+
+contract RBACMock is RBAC {
+
+    string constant ROLE_ADVISOR = "advisor";
+
+    modifier onlyAdminOrAdvisor()
+    {
+        require(
+            hasRole(msg.sender, ROLE_ADMIN) ||
+            hasRole(msg.sender, ROLE_ADVISOR)
+        );
+        _;
+    }
+
+    function RBACMock(address[] _advisors)
+        public
+    {
+        addRole(msg.sender, ROLE_ADVISOR);
+
+        for (uint256 i = 0; i < _advisors.length; i++) {
+            addRole(_advisors[i], ROLE_ADVISOR);
+        }
+    }
+
+    function onlyAdminsCanDoThis()
+        onlyAdmin
+        view
+        external
+    {
+    }
+
+    function onlyAdvisorsCanDoThis()
+        onlyRole(ROLE_ADVISOR)
+        view
+        external
+    {
+    }
+
+    function eitherAdminOrAdvisorCanDoThis()
+        onlyAdminOrAdvisor
+        view
+        external
+    {
+    }
+
+    function nobodyCanDoThis()
+        onlyRole("unknown")
+        view
+        external
+    {
+    }
+
+    // admins can remove advisor's role
+    function removeAdvisor(address _addr)
+        onlyAdmin
+        public
+    {
+        // revert if the user isn't an advisor
+        //  (perhaps you want to soft-fail here instead?)
+        checkRole(_addr, ROLE_ADVISOR);
+
+        // remove the advisor's role
+        removeRole(_addr, ROLE_ADVISOR);
+    }
+}