Fix missing return value in CGUIButton::ButtonImage::operator=


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code@4764 dfc29bdd-3216-0410-991c-e03cc46cb475
Remove superfluous parantheses (causing warnings in clang).


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code@4765 dfc29bdd-3216-0410-991c-e03cc46cb475
Get rid of some nested anon types.
Unfortunately more tricky to get rid of those in S4dVertex, so can't fix em all.
Reason is that pedandic clang no longer likes those in newer clang versions. 


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code@4766 dfc29bdd-3216-0410-991c-e03cc46cb475
- ISceneNodeAnimators can now be disabled and paused.
- Moved StartTime in the ISceneNodeAnimators class instead of derived classes.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code@4767 dfc29bdd-3216-0410-991c-e03cc46cb475
Remove unusued member variables (found with clang)


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code@4768 dfc29bdd-3216-0410-991c-e03cc46cb475