HackStudio: Project templates and New Project dialog

This commit adds a simple project template system to HackStudio,
as well as a pretty New Project dialog, inspired by early VS.NET
and MS Office.

Base/res/devel/templates/cpp-basic/main.cpp

@@ -0,0 +1,7 @@
+#include <stdio.h>
+
+int main(int argc, char** argv)
+{
+    printf("Hello friends!\n");
+    return 0;
+}