Further X session setup mhoward-lt

Create branch mhoward-lt for host-specific stuff mhoward-lt

i3: prefer j4-dmenu-desktop if available

i3: add customized i3-dmenu-desktop that caches menu data

vim: customize guioptions

eh, fix fold marks

maps for chdir % and paste mode, add fold marks

mintty: don't scroll on pgup/dn w/o modifiers

screen: further customization

screen: use xterm scrollbacks, skip window 0

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mercurial