Modified TrackLayout and StretchableButton to allow their use with ScrollPane
Added new method in FixedButton and new type of button
Added UI for add buttons (that represent tweens) in TrackLayout
Fix test
Removed removeExisting skin param from skin maven plugin

It was giving too many errors when skins were generated and you came
from another branch
Fix validate method in Action
Updated eadventure-editor.bat to work in Windows 7
Q as Query class for the model
Merge pull request #687 from anserran/indexes

Q as Query class for the model
Simplified bindings format
Static method in Q
Created indexes package, with some new methods in FuzzyIndex
Added controller index, to index arbitrary things
Renamed RootEntityCommand -> ResourceCommand
SceneNamesIndex, to index scenes by its name
EffectsIndex, to index effect classes by its name
Added javadoc and changed one i18n text
Remove AddScene action. Use NewScene instead
Merge pull request #688 from anserran/qindexes

Added controller indexes, to index arbitrary things
Added some changes to make compatible DraggableScrollPane with StretchableButton