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

include/utils/FileUtils.h

@@ -0,0 +1,8 @@
+#include <string>
+
+namespace FileUtils {
+
+std::string getBaseName( std::string sourceFile);
+std::string command_exec(const char* cmd);
+
+};