control: Rename Timer -> TimerConf

It is confusing to read some of the type definitions that deal with
timers when Timer could mean a timer instantiation or a set of timer
configuration parameters. This change disambiguates the two types.

Tested:
    Built and run through unit tests.

Change-Id: I9dd6b47886747d56a86b6a50eb9a74a331d0a1fe
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/control/actions.hpp b/control/actions.hpp
index b079bf4..cce481c 100644
--- a/control/actions.hpp
+++ b/control/actions.hpp
@@ -26,7 +26,7 @@
  *     An Action function that creates a timer
  */
 Action call_actions_based_on_timer(
-        Timer&& tConf,
+        TimerConf&& tConf,
         std::vector<Action>&& actions);
 
 /**