vim-patch:7.4.1675 #5142

Problem:    The swapmous plugin has to be copied or sourced to be used.
Solution:   Turn it into the swapmouse package.

e101204906

Justification for changes that do not carry over

- `Filelist` does not exist in neovim
- neovim does not have a `README.txt` in `runtime/macros`

src/nvim/version.c

@@ -602,7 +602,7 @@ static int included_patches[] = {
   // 1678 NA
   // 1677 NA
   // 1676,
-  // 1675,
+  1675,
   // 1674 NA
   // 1673,
   // 1672 NA