Update installation procedure

README.md

@@ -6,8 +6,7 @@ http://majorprojects.planning.nsw.gov.au
 ## Installation ##
 
 ```
-git clone http://git.wrl.unsw.edu.au:3000/danh/major-projects-grabber.git
+pip install git+http://git.wrl.unsw.edu.au:3000/danh/major-projects-grabber.git
-pip install -e major-projects-grabber
 ```
 
 ## Usage ##