This reverts commit be40f366.

update marked to 4.2.4

add take ten as new submodule

adapter must separate key and value and provide them as individual arguments to binary
before, they were provided as single string

remove hardcoded darkred

so it can be excluded from built docs

these allow for faster local builds and should not be commited

* name will always be set to app directory name
* title is no longer ensured in meta dict
* description and more are only included in template if defined