Minor automated code cleanup
Merge pull request #65 from manuel-freire/master

Minor automated code cleanup
Merge pull request #66 from e-ucm/ProjectWidget

Added Project Widget.
Added actions to move, rotate and scale objects in the scene editor
Some improvements in transformations. Still needs work
Improvements to scale transformation
Small changes.
Added columns layout; added default options panel
Added RecentProjects widget.
Changed InitialScreen's layout.
Added correct Project parsing from .json.
Added project title and description when creating a new game.
Merge branch 'master' of https://github.com/e-ucm/ead into RecentProjectsWidget
Used EditorAssets to parse Json attributes.
Merge branch 'RecentProjectsWidget'