System::Process now supports set working directory.

ecode: Started working on the LSP plugin. Some minor refactor. Fixed "Editor Font Size". Fixed Formatter and Linter in single thread mode.

src/tools/ecode/plugins/formatter/formatterplugin.cpp

@@ -31,7 +31,7 @@ FormatterPlugin::FormatterPlugin( const PluginManager* pluginManager ) :
 #if FORMATTER_THREADED
 	mPool->run( [&, pluginManager] { load( pluginManager ); }, [] {} );
 #else
-	load( formattersPath );
+	load( pluginManager );
 #endif
 }