Merge pull request #162 from andytruett/master

Add keymap shortcuts - resolve #159
Allow color convert work with many selections
Conversion also must be within one edit command for correct undo
Convert next/prev can work with all selections too
Merge pull request #176 from mvoidex/many-selections-commands

Make color convert commands work with many selections
Fixed color highlighting filled style
Possible to chose to convert from argb instead of rgba. Added a setting where you can switch between the two modes.

Too ugly? I hope it is ok, and that it will be useful for those out there having to use argb
Updated readme to reflect the changes
Merge pull request #184 from Twizzledrizzle/master

Possible to chose to convert from argb instead of rgba. Also added a new setting ...