Improved dragging.
UITab now supports close button and proper close control (user can deny the close request).
UITabWidget now allows to rearrange the tabs in the tab bar.
Added UITabWidget::set/getHideWhenNotNeeded to hide the TabBar if only 1 tab is available.
UIStyle now restricts the animations in the first onStateChange received (sin there's no previous state to animate from).
Added UISplitter::swap.
Critical fix in Node::setParent.
Added Node::findByType.
Fixed Code Editor splitting.
Minor improvements in Code Editor.
LayoutSizeRule is now SizePolicy.
LayoutPositionRule is now PositionPolicy.
get/setLayoutSizeRules is now get/setLayoutSizePolicy.
get/setLayoutPositionRule is now get/setLayoutPositionPolicy.
Added Engine::isThreaded().
Minor emscripten fix.
Added emscripten-fs.html, a simple script loader to test the build emscripten demos.
Added events: Node::onIdChange, UIWidget::onClassChange, UIWidget::onTagChange.
UIItemContainer is now a widget (required for CSS).
Fixes in UIListBox and UITable.
CSS::StyleSheetStyle is now stored as a shared pointer.
Fixes in UICheckBox, UIRadioButton, UISlider, UIScrollBar, UITab, UIWinMenu, and more.
Better debug tooltips (now shows padding and margin).
Fix in UISceneNode::loadLayoutNodes, ensures that the current SceneNode is the one that it's loading.
Fixed a bug where dirty polygons were unreported.
UISceneNodes now are updated forcing the current UISceneNode as the one that it's being updated.
Added "poly" function for background/foreground images.
Added "tab-height" and "window-title" CSS properties.
UIViewPager now takes into account the amount of displacement when starting a page change animation, shortening the animation when it's closer to the objective.
TexturePacker now accepts any pixel density instead of the fixed PixelDensitySizes.
CSS vector properties now are separated by space instead of comma.
Added offset to ArcDrawable.
Added new background-image and foreground-image functions: rectangle(), triangle(), circle().
Added some new parameters for the UIEditor, also some minor fixes.
--HG--
branch : dev
Fixed UIImage size bugs.
Minor improvements in UIEditor.
Started implementing the color picker UI.
Fix when closing a Scene::Node when mouse was over that Node.
--HG--
branch : dev
Created PixelDensity class, moved the PD functions to that class.
Added support for rendering UIThemes with different pixel densities scaled, still WIP.
Added the atlases base textures.
--HG--
branch : dev
Martín Lucas Golini