BUG: fix panel.transpose arguments API bug

only show the ambiguous aliases as opposed to all key-value pairs

add release note
Merge pull request #3558 from cpcloud/panel-transpose-args-fix-3556

fix panel tranpose arguments api bug
DOC: minor release.rst changes
BUG: non-unique indexers with a list-like now return in the same order as the passed values
BUG: handle missing indexers in duplicate indices similary to how unique handles (e.g. by reindexing)