Добавил free NGUI в проект.
1. Перевел гую битвенной сцены на NGUI;
2. Добавил отображение точки сбора для здания.
Merge branch 'development' of github.com:kewgen/aow into development
Merge branch 'development' of github.com:kewgen/aow into development

Conflicts:
	client/Assets/NGUI.meta
	client/Assets/NGUI/DLLs.meta
	client/Assets/NGUI/DLLs/Editor.meta
	client/Assets/NGUI/Examples.meta
	client/Assets/NGUI/Examples/Atlases.meta
	client/Assets/NGUI/Examples/Atlases/SciFi.meta
	client/Assets/NGUI/Examples/Atlases/SciFi/SciFi Atlas.psd.meta
	client/Assets/NGUI/Examples/Scripts.meta
	client/Assets/NGUI/Examples/Scripts/Other.meta
	client/Assets/NGUI/Examples/Shaders.meta
	client/Assets/NGUI/Examples/Shaders/Refractive.shader.meta
	client/Assets/NGUI/Examples/Sounds.meta
	client/Assets/NGUI/Resources.meta
	client/Assets/NGUI/Resources/Shaders.meta
	client/Assets/NGUI/Resources/Shaders/Depth.shader.meta
	client/Assets/NGUI/Resources/Shaders/Unlit - Additive Colored.shader.meta
	client/Assets/NGUI/Resources/Shaders/Unlit - Masked Colored.shader.meta
	client/Assets/NGUI/Resources/Shaders/Unlit - Transparent Colored (AlphaClip).shader.meta
	client/Assets/NGUI/Resources/Shaders/Unlit - Transparent Colored (HardClip).shader.meta
	client/Assets/NGUI/Resources/Shaders/Unlit - Transparent Colored (Packed).shader.meta
	client/Assets/NGUI/Resources/Shaders/Unlit - Transparent Colored (SoftClip).shader.meta
	client/Assets/NGUI/Resources/Shaders/Unlit - Transparent Colored Overlay.shader.meta
	client/Assets/NGUI/Resources/Shaders/Unlit - Transparent Colored.shader.meta
	client/Assets/NGUI/Scripts.meta
	client/Assets/NGUI/Scripts/Editor.meta
	client/Assets/NGUI/Scripts/Interaction.meta
	client/Assets/NGUI/Scripts/Internal.meta
	client/Assets/NGUI/Scripts/Tweening.meta
	client/Assets/NGUI/Scripts/UI.meta
Переконвертация новых файликов из бинарного в текстовый вид.