Merge pull request #648 from passcod/patch-1

Update README: Point fish users in the right direction (relates to #303)

README.markdown

@@ -8,6 +8,10 @@ Note: `nvm` does not support Windows (see [#284](https://github.com/creationix/n
  - [nvmw](https://github.com/hakobera/nvmw)
  - [nvm-windows](https://github.com/coreybutler/nvm-windows)
 
+Note: `nvm` does not support [Fish] either (see [#303](https://github.com/creationix/nvm/issues/303)). Two alternatives exist, which are not supported nor developed by us:
+ - [nvm-fish-wrapper](https://github.com/passcod/nvm-fish-wrapper)
+ - [nvm-fish](https://github.com/Alex7Kom/nvm-fish) (does not support iojs)
+
 ### Install script
 
 To install you could use the [install script][2] using cURL:
@@ -193,7 +197,7 @@ Where's my 'sudo node'? Checkout this link:
 
 https://github.com/creationix/nvm/issues/43
 
-on Arch Linux and other systems using python3 by default, before running *install* you need to
+On Arch Linux and other systems using python3 by default, before running *install* you need to
 
       export PYTHON=python2
 
@@ -205,4 +209,4 @@ After the v0.8.6 release of node, nvm tries to install from binary packages. But
 [2]: https://github.com/creationix/nvm/blob/v0.23.3/install.sh
 [3]: https://travis-ci.org/creationix/nvm
 [Urchin]: https://github.com/scraperwiki/urchin
-
+[Fish]: http://fishshell.com