Add some for newer examples which didn't have those so far.
Only updating this once now as some were broken.
Next time on release.
git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6204 dfc29bdd-3216-0410-991c-e03cc46cb475
Changes are all related to automatic creation of documentation.
Note: It's not yet fully working in trunk due to changes since 1.8
git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6200 dfc29bdd-3216-0410-991c-e03cc46cb475