[[Imported from SVN: r2773]]

[[Imported from SVN: r2772]]

[[Imported from SVN: r2771]]

Now the old fashioned way is back in the game.

[[Imported from SVN: r2770]]

[[Imported from SVN: r2769]]

[[Imported from SVN: r2768]]

[[Imported from SVN: r2767]]

[[Imported from SVN: r2766]]

[[Imported from SVN: r2765]]

[[Imported from SVN: r2764]]

[[Imported from SVN: r2763]]

[[Imported from SVN: r2762]]

[[Imported from SVN: r2761]]

[[Imported from SVN: r2760]]

[[Imported from SVN: r2759]]

AdaptiveLeafIndexSet improved to support leaf indices for higher codims.
Not finished yet.

[[Imported from SVN: r2758]]

[[Imported from SVN: r2757]]

Also added friend class Conversion for ALU3dGrid

[[Imported from SVN: r2756]]

[[Imported from SVN: r2755]]

[[Imported from SVN: r2754]]

stays here.

[[Imported from SVN: r2753]]

[[Imported from SVN: r2752]]

[[Imported from SVN: r2751]]

[[Imported from SVN: r2750]]

[[Imported from SVN: r2749]]

[[Imported from SVN: r2748]]

[[Imported from SVN: r2747]]

[[Imported from SVN: r2746]]

[[Imported from SVN: r2745]]

[[Imported from SVN: r2744]]

[[Imported from SVN: r2743]]

[[Imported from SVN: r2742]]

[[Imported from SVN: r2741]]

[[Imported from SVN: r2740]]

[[Imported from SVN: r2739]]

[[Imported from SVN: r2738]]

[[Imported from SVN: r2737]]

[[Imported from SVN: r2736]]

[[Imported from SVN: r2735]]

[[Imported from SVN: r2734]]