Expand effect engine & ui update (#445)

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* Revert "."

This reverts commit 4dd6404b32.

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* remove svg and pic

* colorpicker imgs to base64 to prevent delayed load if not cached

* fix json2python func

* update swirl with rgba

* add double swirl, tune default val in schema, update explanation

* adjust swirl.py

* FileObserver for config checks with timer as fallback (#4)

include/hyperion/Hyperion.h

@@ -14,6 +14,7 @@
 #include <QJsonValue>
 #include <QJsonArray>
 #include <QTimer>
+#include <QFileSystemWatcher>
 
 // hyperion-utils includes
 #include <utils/Image.h>
@@ -329,8 +330,8 @@ private slots:
 	void bonjourRecordResolved(const QHostInfo &hostInfo, int port);
 	void bonjourResolve();
 
-	/// check for configWriteable and modified changes, called by _cTimer timeout()
-	void checkConfigState();
+	/// check for configWriteable and modified changes, called by _fsWatcher or fallback _cTimer
+	void checkConfigState(QString cfile = NULL);
 
 private:
 
@@ -411,7 +412,8 @@ private:
 	BonjourRegister        _hyperionSessions;
 	QString                _bonjourCurrentServiceToResolve;
 
-	/// Interval timer to check config write and mod
+	/// Observe filesystem changes (_configFile), if failed use Timer
+	QFileSystemWatcher _fsWatcher;
 	QTimer _cTimer;
 
 	/// holds the prev states of configWriteable and modified