Updates for LÖVE 11#19

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geoffbeier wants to merge 9 commits intonucular:masterfrom

geoffbeier:demo_gui_update

Commits on Jun 5, 2020

update color literals to love11+ (0,1) range
geoffbeier
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update conf.lua to reflect 11.3 assumption
geoffbeier
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move to maintained fork of LoveFrames
geoffbeier
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move to HEAD on maintained fork of loveframes
geoffbeier
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field name in the sound table is waveform not wavetype... this is probably a longstanding bug brought to the fore by the fact that loveframes now crashes if the choice value is nil
geoffbeier
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skin stuff, update clear call
geoffbeier
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fix version check so that it doesn't fail of the loaded version is equal to the expected version.
geoffbeier
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replace reference to globals freq and bits with rate and depth
geoffbeier
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use non-deprecated function to check for sounds directory and assert that it was created/exists
geoffbeier
committed