Confluence: add editor parameter to update_or_create (#680)
Confluence: add editor parameter to update_or_create (#680)

The create_page method exposes a way to create new pages with the v2
editor. This commit modifies the update_or_create method to expose this same
functionality in case the page needs to be created and not updated.
AstroTech/atlassian-python-api,MattAgile/atlassian-python-api,AstroTech/atlassian-python-api