Refactor in Model listeners. Model listeners must be in lists
Some changes to fire less unnecessary selection events
SceneEditor listens to selection changes
Merge branch 'master' of github.com:e-ucm/ead into sceneeditorselection
Updated libgdx version to 1.1.0 fixes #493 fixes #286 fixes #391
Minor fixes
Merge pull request #497 from anserran/master

Removed index from Documentation
Merge pull request #495 from anserran/updatelibgdx

Updated libgdx version to 1.1.0
Merge pull request #486 from anserran/sceneeditorselection

SceneEditor now listens and generates SelectionCommands
Downgraded to 1.0.0 until issues with JsonReader are fixed