[[Imported from SVN: r2268]]

[[Imported from SVN: r2267]]

ghost and therefore has to be a new variable. The isLeaf check is done in
the setElements methods.

Also changed method state to work for ghosts now.

[[Imported from SVN: r2266]]

Nor indexsets can be changed during this processes.

[[Imported from SVN: r2265]]

[[Imported from SVN: r2264]]

[[Imported from SVN: r2263]]

Also added classes for inserting indices during load Balance and for
inserting indices for ghosts during adaptation.

[[Imported from SVN: r2262]]

[[Imported from SVN: r2261]]

[[Imported from SVN: r2260]]

[[Imported from SVN: r2259]]

[[Imported from SVN: r2258]]

[[Imported from SVN: r2257]]

[[Imported from SVN: r2256]]

[[Imported from SVN: r2255]]

[[Imported from SVN: r2254]]

[[Imported from SVN: r2253]]

[[Imported from SVN: r2252]]

[[Imported from SVN: r2251]]

[[Imported from SVN: r2250]]

[[Imported from SVN: r2249]]

won't validate but I'll fix that later :)

[[Imported from SVN: r2248]]

[[Imported from SVN: r2247]]

[[Imported from SVN: r2246]]

[[Imported from SVN: r2245]]

[[Imported from SVN: r2244]]

of streams where it belongs: common/test/

[[Imported from SVN: r2243]]

string::find returns string::size_type not int.

[[Imported from SVN: r2242]]

Thus we can use internal properties during the identification of the
aggregate and save space.
And later on during the galerkin product the visited flag can be
represented by std::vector<bool>.

Compiles now and passes the tests.

[[Imported from SVN: r2241]]

[[Imported from SVN: r2240]]

[[Imported from SVN: r2239]]

[[Imported from SVN: r2238]]

[[Imported from SVN: r2237]]

[[Imported from SVN: r2236]]

[[Imported from SVN: r2235]]

[[Imported from SVN: r2234]]

[[Imported from SVN: r2233]]

[[Imported from SVN: r2232]]

[[Imported from SVN: r2231]]

[[Imported from SVN: r2230]]

[[Imported from SVN: r2229]]