fix typo in rakudo-star caveats

“Raukdo” → “Rakudo”

Closes #17651.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
MacOS: cache calls to mdfind
Version: kill silly class method

Overriding <=> directly is much simpler.
Version: remove pointless private call
Revert "notmuch 0.15.1"

This reverts commit 38de561cf2f86a92b7a8db3fb4b1130172f4e88d.
notmuch 0.14

Version 0.15 is not compiling for me, so reverting to the last known working version.
notmuch: add --emacs option

Closes #15895.
rsstail 1.8

Closes #16453.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
zbar: x11 is optional

Closes #17653.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>
vcsh 1.0-1

Closes #16532.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>