Added ChangeSceneNote action, test and convenience listener.
Fixed a bug with Index.java that would throw a NullPointerException if executing a FieldCommand with NOTE_TITLE or NOTE_DESCRIPTION arguments.
Fixed libGDX API changes. Not completly sure about the Engine fix though.
Improved ActionForTextFieldListener, fixed some bugs with Android on-screen-keyboard.
Refactoring of "More" edition panel.
More refactoring and improvements to some widget buttons.
Improved some widgets to listen to FieldNames.NOTE_TITLE and FieldNames.NODE_DESCRIPTION changes.
Improved TextArea displacement and javadocs.
Merge pull request #242 from RotaruDan/descriptionAndTitle

Change description/title, libGDX API changes and more.
Replaced Point2D with Vector2, ArrayList with libgdx Array
(except when implementing java.util.List is required)
Generates a polygonal border for newly-created sceneElements
- this detailed border is shown only when object is selected
- the detailed border is used for collision detection
- lowered default threshold for border-detection

NOTE:
  if more uses of ShapeRenderer arise, we should use a similar
  approach to Drawable to pool these renderers. See
  https://github.com/libgdx/libgdx/issues/1186
Removed redundant collisionPolygons.clear()
Merge pull request #229 from manuel-freire/image-polygon-borders

Generates a polygonal border for newly-created sceneElements