New features:

• ImageAtlas.
• PropertyContainer-JSON.
• LittleEndian class for convertion.
• Added TaskBase to ThreadQueue.
• Separated texture format depth and stencil.
• ManagedFontFace now allows retireving symbol bounds.
• Added UI_Checkbox.
• Added UI_Frame.
• Added UI_ScrollBar.
• UI_TextInput cursor positioning by touch.
• UI_Button and UI_Checkbox improved state theme.
• Themes for UI_Button states.
• Added abstract base handler to IPI.

Issues fixed:

• Fixed HTTPStream incorrect redirect detection.
• Renamed UI_Manager to UI_System