Adding theme support so that people can share their zsh prompts with others. Users can set which theme to load in zshrc now.

zshrc

@@ -1,6 +1,10 @@
 # Path to your oh-my-zsh configuration.
 export ZSH=$HOME/.oh-my-zsh
 
+# Set to the name theme to load.
+# Look in ~/.oh-my-zsh/themes/
+export ZSH_THEME="robbyrussell"
+
 # Load all of the config files in ~/oh-my-zsh that end in .zsh
 # TIP: Add files you don't want in git to .gitignore
 for i in $ZSH/*zsh; do source $i; done;