Replace the sqlite allocator, and use our own tracking for stats. Want to use this to collect callstacks for all allocations.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4185 ed5197a5-7fde-0310-b194-c3ffbd925b24

src/main.c

@@ -685,6 +685,7 @@ int main(int argc, char* argv[])
 #endif
 	tf_mem_replace_uv_allocator();
 	tf_mem_replace_tls_allocator();
+	tf_mem_replace_sqlite_allocator();
 	uv_setup_args(argc, argv);
 	tf_taskstub_startup();