Massive dump of xenia-info required code.

This is a working xenia-info for xex files (no gdfs files yet).

tools/xenia-run/xenia-run.cc

@@ -9,6 +9,10 @@
 
 #include <xenia/xenia.h>
 
-int main() {
-  return some_function(4);
+
+int xenia_run(int argc, xechar_t **argv) {
+  do_cpu_stuff();
+  do_gpu_stuff();
+  return 0;
 }
+XE_MAIN_THUNK(xenia_run);

tools/xenia-run/xenia-run.gypi

@@ -7,6 +7,9 @@
 
       'dependencies': [
         'xeniacore',
+        'xeniacpu',
+        'xeniagpu',
+        'xeniakernel',
       ],
 
       'include_dirs': [