src: Enabling -Werror in debug mode and some style updates

Several important warnings are still getting suppressed, because of
CryptoPP library

Change-Id: I8fb3d938544ecc38c65529262504dc753124bafd
diff --git a/src/util/scheduler.cpp b/src/util/scheduler.cpp
index 377800f..fc6492f 100644
--- a/src/util/scheduler.cpp
+++ b/src/util/scheduler.cpp
@@ -76,8 +76,7 @@
 
 
 Scheduler::Scheduler(boost::asio::io_service& ioService)
-  : m_ioService(ioService)
-  , m_scheduledEvent(m_events.end())
+  : m_scheduledEvent(m_events.end())
   , m_deadlineTimer(ioService)
   , m_isEventExecuting(false)
 {