[Ohrrpgce] SVN: teeemcee/12651 Split importmasterpal into two parts, and cleanup some redundant code

[subversion at HamsterRepublic.com]

teeemcee
2021-12-04 21:39:17 -0800 (Sat, 04 Dec 2021)
194
Split importmasterpal into two parts, and cleanup some redundant code

importmasterpal is now documented to modify master(), uilook(), boxlook()
and activepalette, and other code relies on that.
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U   wip/custom.bi
U   wip/drawing.bas
U   wip/generaledit.rbas