kernel: Various changes

+ elf: Prevent dynamically linked programs from running on Soaplin.
+ sched: Support creating a process from a program_t structure.
+ syscall: Fix a bug where using syscall number 1024 would crash the OS.
+ syscall: Added a write syscall. It can only be used for writing to the standard output (FD: 1)

kernel/src/main.c

@@ -131,7 +131,7 @@ void __kmain(void) {
 
 
   sched_process *proc =
-      sched_create("Test", p->entry, p->pm, SCHED_USER_PROCESS);
+      sched_from_program(p);
 
   log("kernel - Soaplin initialized sucessfully.\n");