Changed read to include 1.+

Author: riggaroo

README.md

@@ -16,7 +16,7 @@ Example:
 
 Add the following into your build.gradle:
 ```groovy
-        compile 'za.co.riggaroo:materialhelptutorial:1.1.0'
+        compile 'za.co.riggaroo:materialhelptutorial:1.+'
 ```
 In your activity, create a list of TutorialItems (set the title, subtitle, background colour and image drawable int). Pass them onto the MaterialTutorialActivity and start the activity for result.
 ```java