Misc: Improve gdb script output

* Switch disassembly to intel syntax
* Remove terminal colors
* Remove terminal line wrapping and pagination
* Start versioning the script

contrib/debugger/crashreport.gdb

@@ -1,5 +1,9 @@
 set logging overwrite on
 set logging file backtrace.log
+set style enabled off
+set height unlimited
+set width unlimited
+set disassembly-flavor intel
 handle SIG33 pass nostop noprint
 set pagination 0
 set logging on
@@ -13,10 +17,11 @@ echo \n
 backtrace full
 echo \n--- DEBUG: INFO REGISTERS\n\n
 info registers
-echo \n--- DEBUG: CALLS (x/32i $pc)\n\n
-x/32i $pc
+echo \n--- DEBUG: CALLS (x/16i $pc)\n\n
+x/16i $pc
 echo \n--- DEBUG: THREAD APPLY ALL BACKTRACE\n
 thread apply all backtrace
 echo \n--- DEBUG: --- STOP\n\n
+echo Generated by crashreport.gdb script version 1.3\n
 set logging off
 quit