ColourInformationBox (colr) support

Also misc fixups, mostly clippy lints

Author: baumanj

mp4parse/src/boxes.rs

@@ -119,7 +119,7 @@ box_database!(
     ItemPropertiesBox                 0x6970_7270, // "iprp"
     ItemPropertyContainerBox          0x6970_636f, // "ipco"
     ItemPropertyAssociationBox        0x6970_6d61, // "ipma"
-    ColorInformationBox               0x636f_6c72, // "colr"
+    ColourInformationBox              0x636f_6c72, // "colr"
     ImageSpatialExtentsProperty       0x6973_7065, // "ispe"
     PixelInformationBox               0x7069_7869, // "pixi"
     AuxiliaryTypeProperty             0x6175_7843, // "auxC"