Update doc links

Author: Bruno Sutic

README.md

@@ -81,7 +81,7 @@ No mappings are defined by default.
 ### About Mangrep
 
 This feature is still in beta.
-Please help fix the [issues](https://github.com/bruno-/vim-man/issues/).
+Please help fix the [issues](https://github.com/vim-utils/vim-man/issues/).
 
 `Mangrep` populates quickfix list with the results. While they should be
 accurate, you might experience hiccups when opening those results.

doc/man.txt

@@ -123,11 +123,11 @@ please get in touch by opening an issue so we can discuss it first.
 
 Github repo:
 
-  https://github.com/bruno-/vim-man
+  https://github.com/vim-utils/vim-man
 
 List of open issues:
 
-  https://github.com/bruno-/vim-man/issues
+  https://github.com/vim-utils/vim-man/issues
 
 CREDITS						*man-credits*