* adding HDB/TDB and Mambo doc sources

* Adding recent version of Mambo Manual for reference

* #14 - adding Mambo Manual converted by @lzytniak

* #14 - correcting headers levels, history table substituted by authors list

* #14 - cleaning in progress (line 230): missing images for guilables, paragraphs indentation and so.

* #14 - cleaning in progress (up to line 624): missing images for guilables, paragraphs indentation and so.

* #14 - cleaning in progress (up to line 624): missing images for guilables, paragraphs indentation and so.

* #14 - cleaning in progress (up to line 750): missing images for guilables, paragraphs indentation and so.

* #14 - 2nd pass of cleaning done. Ready for pull request.

* Update HDB toctree name