Remove autogenerated gtk doc files
Fix Sun GNOME Documentation Team references
Remove distro folder.
Bring changelog generation up to date.
Remove languages that do not use doc-utils and need to be ported to yelp.

If someone is willing to do the work they can resurrect them from git.
But for now rmeove it as it is unlikely to be worked on any time soon.
Delete removed languages
Merge pull request #18 from infirit/1.6

Cherrypick usefull commits from master