+ move duration calculation to not be done twice + made Slider / Spinner private again as they are not accessed externally anymore
some things work and others don't, I dunno
This also - Renames TextAwesome to SpriteIcon. - Removes the default size of "20" from SpriteIcon (now defaults to the underlying texture size).
Most issues were related to BeginLoopedSequence usage and lack of "this." in front of transform helpers.
We don't want to start polluting the OsuColours namespace with non-UI colours.
paired with smoogi