Fix links to raw .bash_profile, etc.

Fixes nicolashery#2. Thanks @alchuang for pointing it out.

Author: nicolashery

README.md

@@ -158,7 +158,7 @@ Scroll down the page and download the latest version. Unzip the archive. In it y
 
 Not a lot of colors yet. We need to tweak a little bit our Unix user's profile for that. This is done (on OS X and Linux), in the `~/.bash_profile` text file (`~` stands for the user's home directory).
 
-We'll come back to the details of that later, but for now, just download the files [.bash_profile](/nicolahery/mac-dev-setup/blob/master/.bash_profile), [.bash_prompt](/nicolahery/mac-dev-setup/blob/master/.bash_prompt), [.aliases](/nicolahery/mac-dev-setup/blob/master/.aliases) attached to this document into your home directory (`.bash_profile` is the one that gets loaded, I've set it up to call the others):
+We'll come back to the details of that later, but for now, just download the files [.bash_profile](https://raw.github.com/nicolashery/mac-dev-setup/master/.bash_profile), [.bash_prompt](https://raw.github.com/nicolashery/mac-dev-setup/master/.bash_prompt), [.aliases](https://raw.github.com/nicolashery/mac-dev-setup/master/.aliases) attached to this document into your home directory (`.bash_profile` is the one that gets loaded, I've set it up to call the others):
 
     $ cd ~
     $ curl -O https://raw.github.com/nicolahery/mac-dev-setup/master/.bash_profile