Better function names in bash completion
Better function names in bash completion

The new names make it easier to distinguish between helper functions and
functions that actually perform completion by modifying the global COMPOPT
variable.

Signed-off-by: Harald Albers <64b2b6d12bfe4baae7dad3d018f8cbf6b0e7a044@albersweb.de>

aditirajagopal/docker,aditirajagopal/docker,aditirajagopal/docker