[Ohrrpgce] SVN: teeemcee/10861 Couldn't quit prompt_for_scancode with ESC anymore, also fix alt-F4 etc

[subversion at HamsterRepublic.com]

teeemcee
2018-11-10 04:11:01 -0800 (Sat, 10 Nov 2018)
250
Couldn't quit prompt_for_scancode with ESC anymore, also fix alt-F4 etc not working

The former I broke recently when adding ccCancel, the latter has always been
broken.

Also halved the time you have to hold down a key; I found 1 second way too long
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U   wip/customsubs.rbas