Update the API changes/enhancements guide.

foxik · foxik · commit c0a076d4b3d4 · 2015-03-06T23:16:59.000+01:00
Fix link to Library submission guide and also explictly mention the
discussion on libraries@haskell.org mailing list.
diff --git a/README.md b/README.md
@@ -9,4 +9,4 @@ Contributing
 
 For reporting bugs (and maybe even the respective fix), please use the [GitHub issue tracker](https://github.com/haskell/containers/issues).
 
-For proposing API changes/enhancements, please follow the [guidelines outlined on the Haskell Wiki](http://www.haskell.org/haskellwiki/Library_submissions#Guidance_for_proposers) (but use the GitHub facilities instead of GHC's Trac for submitting patches).
+For proposing API changes/enhancements, please follow the [guidelines outlined on the Haskell Wiki](https://wiki.haskell.org/Library_submissions#Guide_to_proposers). Especially note that all API changes/enhancements should be discussed on libraries@haskell.org mailing list.

Original file line number	Diff line number	Diff line change
`@@ -9,4 +9,4 @@ Contributing`
`9`	`9`
`10`	`10`	`For reporting bugs (and maybe even the respective fix), please use the [GitHub issue tracker](https://github.com/haskell/containers/issues).`
`11`	`11`
`12`		`-For proposing API changes/enhancements, please follow the [guidelines outlined on the Haskell Wiki](http://www.haskell.org/haskellwiki/Library_submissions#Guidance_for_proposers) (but use the GitHub facilities instead of GHC's Trac for submitting patches).`
	`12`	`+For proposing API changes/enhancements, please follow the [guidelines outlined on the Haskell Wiki](https://wiki.haskell.org/Library_submissions#Guide_to_proposers). Especially note that all API changes/enhancements should be discussed on [email protected] mailing list.`