Convert event group to a vector of tuples

In preparation for storing each event group member's property state used
within the event's actions, the group type should be converted to a
vector of tuples. This vector will allow, if user defines, easier use of
different interfaces and properties on the same path to be used within
the same event group.

Tested:
    Generated code for groups reflects vector instead of map
    Actions against groups remain unchanged

Change-Id: I9f4bb609de424d9004d43524fd04737a50fb2c6f
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>
diff --git a/control/templates/fan_zone_defs.mako.cpp b/control/templates/fan_zone_defs.mako.cpp
index eb30762..5eadc6d 100644
--- a/control/templates/fan_zone_defs.mako.cpp
+++ b/control/templates/fan_zone_defs.mako.cpp
@@ -104,8 +104,8 @@
                         %for member in group['members']:
                         {
                             "${member['object']}",
-                            {"${member['interface']}",
-                             "${member['property']}"}
+                            "${member['interface']}",
+                            "${member['property']}"
                         },
                         %endfor
                         %endfor