Update install instructions.

README.md

@@ -10,38 +10,38 @@
 ## Installation
 
 - Update your system
-```
+```bash
 sudo apt-get update
 sudo apt-get upgrade
 sudo apt-get install build-essential openssl libssl-dev curl
 ```
 
 - Install Node
-```
+```bash
 sudo apt install npm
 npm install --global npm@latest
 ```
 
 - Under Unix, create a symbolic link for `node`
-```
+```bash
 sudo ln -s /usr/bin/nodejs /usr/bin/node
 ```
 
 - Install Yeoman, bower and grunt
-```
+```bash
 sudo npm install --global yo
 npm install -g generator-reveal
 npm install -g grunt-cli
 npm install -g bower
 ```
 
-- Install other dependencies
-```
+- Move to the cloned repository and install other dependencies
+```bash
 npm install && bower install
 ```
 
 ## Serve
-```
+```bash
 grunt
 ```
 
@@ -57,7 +57,3 @@ $ yo reveal:slide --markdown --attributes --notes "Slide Title"
 grunt dist
 grunt gh-pages
 ```
-
-## TODO
-
-1. Use http://www.commitstrip.com/wp-content/uploads/2013/11/Strips-_Old-650-finalfinal1.jpg