Moved Displayers to new package
Fixed typo in activities package name
Display sorted array results, step-by-step
Target only API 16
Pass int array to ResultActivity
Removed unnecessary SortController class
Added scrolling to result display
TextViewArrayDisplay (displays text on android)
Retrieve user input text for array parsing
Changed min API version to 11
Display error dialog on input validation failure
Fixed typo in formatter error message
Exit program on 0 input
Use null input handler for ErrorDialog; none needed
Confirm user wants to quit on entering '0'
Added error dialog title to string resource
Formatted Main.java