Add ability to set basic colors, disable basic colors
add an option to hide the text input
moved basic colors specification into main options object
only show basic colors tab if we're showing basic colors
prevented configuration with no shown tabs and fixed logic for showing which tab is active
removed option to set basic colors
make left corners of dropdown button round if there is no hex input
no left positioning needed on dropdown if there is no hex input
make saved colors tab active if no basic colors
version bump