Update ausonius-editions.csl

Few changes that respect te reindent made by Rintze M. Zelle:
Change in editors short form
Change in macros to allow et-al for edited volumes
Update ausonius-editions.csl

Few changes that respect te reindent made by Rintze M. Zelle:
Change in editors short form
Change in macros to allow et-al for edited volumes
Merge pull request #549 from NMonteix/patch-5

Patch 5