simplify MCRISO8601Format

Description

with minor API changes MCRISO8601Format can refactored to be simpler and faster
Public static format strings will disappear. Use toString() to get the format.

Environment

None

Assignee

Thomas Scheffler

Reporter

Thomas Scheffler

Labels

None

URL

None

External issue ID

None

Fix versions

Affects versions

Priority

Medium
Configure