refactoring of webui and event based websocket layer (#219)

* make hyperion websocket api event based

* implement new websocket handling for generalconf

* migrate all webui stuff to new event based websocket api
some cleanup ... now all html templates are in content
refactoring of web stuff

* add hyperionport to global
start impl. removing advanced key

* separate dashboard
serverinfo is updated every 3 seconds automatily
add input selection
cleanup and remove not needed stuff

* prepare infrastructure for server sided file execution

* webui minor fixes

* fix compile

libsrc/utils/FileUtils.cpp

@@ -0,0 +1,35 @@
+#include <utils/FileUtils.h>
+
+#include <cstdio>
+#include <iostream>
+#include <memory>
+#include <stdexcept>
+
+#include <QFileInfo>
+
+namespace FileUtils {
+	
+std::string getBaseName( std::string sourceFile)
+{
+	QFileInfo fi( sourceFile.c_str() );
+	return fi.fileName().toStdString();
+}
+ 
+std::string command_exec(const char* cmd)
+{
+	char buffer[128];
+	std::string result = "";
+	std::shared_ptr<FILE> pipe(popen(cmd, "r"), pclose);
+	if (pipe) 
+	{
+	while (!feof(pipe.get()))
+	{
+		if (fgets(buffer, 128, pipe.get()) != NULL)
+			result += buffer;
+	}
+	}
+	
+	return result;
+}
+
+};