#4 : Added ability to scroll the text based on a (hard-coded) offset.
#4 : Added interactive scrolling by mouse wheel and keyboard.
#4 : Rewrote and tested RenderableDocument.

Added ability to get the size of a document.
#4 : Render a basic scroll bar.
Finish scrolling. Fixes #4
#15 : Added missing copyright headers.
#15 : Added license files.
#15 : Fixed character encoding issues.
#15 : Fixed scalastyle warnings.
Finish scalastyle-fixes. Fixes #15