Fix aspecRatio of UI Camera to a preferred aspect ratio.
First pass at using UiSpriteObject and UiSpriteRenderer to render sprites to the UiScene.
Directory cleanup. Moving all file loaders to Framework/Loaders/.
First pass at rendering text using UiFontRenderer and UiFontObject.
Fixed the kerning for fonts.
Some refactoring to have UiSpriteObject and UiFontObject derive from a generic UiObject.
Refactor to have UiSpriteObject and UiFontObject wrapped inside a UiElement.
Merge pull request #17 from VajraFramework/fonts_and_ui

Fonts and ui