Speedups for making ARGB arrays
Undo remove trailing whitespace
Simplify to take transpose logic out of makeARGB function
ImageItem performance boost by avoiding makeQImage(transpose=True)
- fixed ImageItem handling of rgb images
- fixed makeARGB re-ordering of color channels
Merge branch 'faster-make-argb' into develop

- Speed improvements in functions.makeARGB
- ImageItem is faster by avoiding makeQImage(transpose=True)