Replace internal links in re-downloaded pages

in regexxer:
 search: "/web/[^/]+/http://www.modwiki.net(/[^"]*)"
replace: "$1"

 search: "/web/[^/]+/http://modwiki.net(/[^"]*)"
replace: "$1"
Remove even more SPAM links

I hope now I really got all.
(Yeah, I said that before)
remove metadata for deleted pages
fix link to category in tutorial list
remove generated texturing page (because the one in the wiki is better)
Revert "remove generated texturing page (because the one in the wiki is better)"

This reverts commit 0db2b4ad79ee10c0b372a8fa1cf5c8f25850e65d.

I think I do want the texturing page after all, I'll manually
merge the markdown later.
this probably has less broken images.
remove duplicate Getcvar_(script_event) article from content/

it's an outdated version of GetCVar_(script_event)
run beautifulsoup on preprocessed pages

.. so when I run the fix image script on them it's easier to see if
it worked with git diff
fix links in preprocessed pages
Add generated markdown pages
remove duplicate pages

The_doom3_aas_system (vs The_Doom3_AAS_system)
Folder_Structure_(Doom3) (vs Folder_structure_(Doom3))
Re-converted pages as markdown_github

so we get tables gitit will actually show as such...
Update Texturing.page with links I manually edited in the wiki
Add metadata to markdown pages
Replace all "This article is a stub" lines
Change all PyBot lines in markdown pages
Fix game-specific Notes
Remove references to the talk pages

The links were wrong anyway