synchronize with external depot

-add relocation code to initial asm setup
-print the top of the stack on a crash
-turn off debug spew when threads exit
-make sure the critical section routines are fully inlined
-remove warning in dpc code
diff --git a/arch/arm/system-twosegment.ld b/arch/arm/system-twosegment.ld
index aee3913..748d565 100644
--- a/arch/arm/system-twosegment.ld
+++ b/arch/arm/system-twosegment.ld
@@ -38,7 +38,7 @@
 
 	.rodata : { 
 		*(.rodata .rodata.* .gnu.linkonce.r.*) 
-		. = ALIGN(4); 
+		. = ALIGN(4);
 		__commands_start = .;
 		KEEP (*(.commands))
 		__commands_end = .;