README: separate ST2 and ST3 installation instructions

README.markdown

@@ -1,6 +1,8 @@
 # cucumber-sublime-bundle
 
-A bundle for [Sublime Text](http://www.sublimetext.com/) that provides syntax coloring and snippets for [Cucumber](http://cukes.info/) and its [Gherkin](https://github.com/cucumber/cucumber/wiki/Gherkin) language. Work with both ST2 and ST3.
+A bundle for [Sublime Text](http://www.sublimetext.com/) that provides syntax coloring and snippets for [Cucumber](http://cukes.info/) and its [Gherkin](https://github.com/cucumber/cucumber/wiki/Gherkin) language.
+
+Work with both ST2 and ST3. For ST3, see [the `st3` branch](https://github.com/drewda/cucumber-sublime-bundle/tree/st3).
 
 ## Installation: ST2
 
@@ -16,20 +18,6 @@ A bundle for [Sublime Text](http://www.sublimetext.com/) that provides syntax co
 
 Restart Sublime Text.
 
-## Installation: ST3
-
-### Mac OSX
-    cd ~/Library/Application\ Support/Sublime\ Text\ 3/Installed Packages
-    git clone -b st3 git://github.com/drewda/cucumber-sublime-bundle.git Cucumber
-### Linux
-    cd ~/.config/sublime-text-3/Installed Packages
-    git clone -b st3 git://github.com/drewda/cucumber-sublime-bundle.git Cucumber
-### Windows
-    cd Users/<user>/AppData/Roaming/Sublime\ Text\ 3/Installed Packages/
-    git clone -b st3 git://github.com/drewda/cucumber-sublime-bundle.git Cucumber
-
-Restart Sublime Text.
-
 ## Table Cleaner
 
 Aligns and cleans the tables for a prettier output. Useful for programming languages like Cucumber or LaTex.