Clone single led color from other led (#157)

* start ledclone

* led cloning: clone scan areas from original led
main: show exceptions, better exit

* tune json schema for new option. somwe cleanup

* fix warnings and bug for framebuffer selection. thx to clang brought by new osx buikld on travis

* make ledclone feature work flawlessly for effects too. Effect sees the ledstring without cloned leds.
cloned leds will be inserted just before sending to leddevice

additional: remove warnings and fix code style

* fix warning

libsrc/effectengine/EffectEngine.cpp

@@ -18,12 +18,12 @@
 #include "Effect.h"
 #include "HyperionConfig.h"
 
-EffectEngine::EffectEngine(Hyperion * hyperion, const Json::Value & jsonEffectConfig) :
-	_hyperion(hyperion),
-	_availableEffects(),
-	_activeEffects(),
-	_mainThreadState(nullptr),
-	_log(Logger::getInstance("EFFECTENGINE"))
+EffectEngine::EffectEngine(Hyperion * hyperion, const Json::Value & jsonEffectConfig)
+	: _hyperion(hyperion)
+	, _availableEffects()
+	, _activeEffects()
+	, _mainThreadState(nullptr)
+	, _log(Logger::getInstance("EFFECTENGINE"))
 {
 	qRegisterMetaType<std::vector<ColorRgb>>("std::vector<ColorRgb>");