* fix: Correct the documented style option defaults
Partially address #299:
- Change the documented default from `nodetails` to `details` for the
`classic`, `banking`, `oldstyle`, and `fancy` styles, to match the current
implementation.
* fix: Set the `details` option explicitly as default in the banking style (#299)
* fix: Add missing options to the `contemporary` style
Address #299:
- Add the missing `details` and `nodetails` options.
- Set `details` and `separator` as explicit defaults using `\ExecuteOptions`.
- Add per-group comments for all option categories.
* docs: Add a summary of the PR changes to `CHANGELOG`
Address #297:
- Add the colour definitions required by generic header, body, and footer
variants to `moderncvstylecontemporary.sty`, enabling style customisation via
`\moderncvhead`, `\moderncvbody`, and `\moderncvfoot`.
- Update `CHANGELOG` with a summary of the changes and a reference to the
issue they close.
* introduce a new contemporary option: (no)separator to hide/show the separator line after the colored header
* document new contemporary header option - separator in CHANGELOG and user guide
* preparations for v2.5.1: set correct copyright date, fix missing comments on userguide.tex
* sets the version for CHANGELOG
* comment in order to check the comments/headers beforehand
* omits .codespellrc in final release tarball
* fixes wrong paths for upload, investigation of failed push
* make grey usable for contemporary, new color definition
* make blue usable for contemporary
* make burgundy usable for contemporary
* make green usable for contemporary
* make orange usable for contemporary
* make purple usable for contemporary
* make red usable for contemporary
* make black usable for contemporary
