This code enables new syntax for sorting output with multiple
keys and directions based on API Working group sorting
guidelines.
It's a client code to consume API modified in change
Ie4ccfefa0492a3ac94cc7e22201f2f2be5c1cdbb
Example:
glance --os-image-api-version 2 --sort name:desc,size:asc
Implements-blueprint: glance-sorting-enhancements
DocImpact
Depends-On: Ie4ccfefa0492a3ac94cc7e22201f2f2be5c1cdbb
Change-Id: I36a9fa9f0508fea1235de2ac3a0d6a093e1af635