Also ensured revisions were not created more often than expected.
Summary field null check was triggering revision save even when empty
since it was still in request.
Related to #1846
- Removed old 'exposeTranslations' system to instead use new component
option system.
- Extracted validation rules into their own service provider.
- Cleaned up some formatting/comments in the repos.
Removes old awkward JS translations endpoint.
New system still a little akward in code but not now in process.
Also extracted out page editors into their own files.
Closes#1258
