Disable vSync stuff in SDL Core (seems to be causing issues for people), fixed mouse clicks in UIHSlider after resize, fixed material editor not setting shader options correctly

Core/Contents/Source/PolySDLCore.cpp

@@ -131,7 +131,7 @@ void SDLCore::setVideoMode(int xRes, int yRes, bool fullScreen, bool vSync, int
 	if(resizableWindow) {
 		flags |= SDL_RESIZABLE;
 	}
-
+/*
 	if(vSync) {
 		flags |= SDL_DOUBLEBUF;
 		SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
@@ -140,7 +140,7 @@ void SDLCore::setVideoMode(int xRes, int yRes, bool fullScreen, bool vSync, int
 		SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 0);
 		SDL_GL_SetAttribute(SDL_GL_SWAP_CONTROL, 0);
 	}
-
+*/
 	SDL_SetVideoMode(xRes, yRes, 0, flags);
 	
 	renderer->Resize(xRes, yRes);

IDE/Contents/Source/PolycodeMaterialEditor.cpp

@@ -470,12 +470,14 @@ void MaterialEditorPane::setMaterial(Material *material) {
 		if(shader) {
 			if(currentMaterial->getShader(0)->getName() == shader->getName()) {
 				shaderProp->set(i);
+				shaderProp->dispatchEvent(new Event(), Event::CHANGE_EVENT);
 				break;
 			}
 		}
 	}
 	} else {
 		shaderProp->set(0);
+		shaderProp->dispatchEvent(new Event(), Event::CHANGE_EVENT);		
 	}	
 	
 	nameProp->set(currentMaterial->getName());

Modules/Contents/UI/Source/PolyUIHSlider.cpp

@@ -107,6 +107,7 @@ void UIHSlider::Resize(Number width, Number height) {
 	sliderWidth = width;
 	gripRect->setDragLimits(Rectangle(0,floor(bgHeight/2.0),width,0));	
 	setSliderValue(sliderValue);
+	bgHitBox->setShapeSize(width,  gripRect->getHeight());
 }
 			
 void UIHSlider::handleEvent(Event *event) {