Added dependancy caching and travis badge

@@ -3,6 +3,10 @@ language: php
 php:
   - 7.0
 
+cache:
+  directories:
+    - node_modules
+    - vendor
 
 addons:
   mariadb: '10.1'

 # BookStack
 
+[![Build Status](https://travis-ci.org/ssddanbrown/BookStack.svg)](https://travis-ci.org/ssddanbrown/BookStack)
+
 A platform for storing and organising information and documentation. General information and documentation for BookStack can be found at https://www.bookstackapp.com/.
 
 * [Installation Instructions](https://www.bookstackapp.com/docs/admin/installation)