[[Imported from SVN: r1378]]

[[Imported from SVN: r1377]]

[[Imported from SVN: r1376]]

[[Imported from SVN: r1375]]

[[Imported from SVN: r1374]]

[[Imported from SVN: r1373]]

example here LevelIterator.

[[Imported from SVN: r1372]]

[[Imported from SVN: r1371]]

[[Imported from SVN: r1370]]

correct Boundary-Value-Problem before calling DisposeMultiGrid().
If not DisposeMultiGrid will crash when more than one UGGrid is
in use.

[[Imported from SVN: r1369]]

[[Imported from SVN: r1368]]

[[Imported from SVN: r1367]]

[[Imported from SVN: r1366]]

[[Imported from SVN: r1365]]

[[Imported from SVN: r1364]]

[[Imported from SVN: r1363]]

[[Imported from SVN: r1362]]

[[Imported from SVN: r1361]]

[[Imported from SVN: r1360]]

[[Imported from SVN: r1359]]

[[Imported from SVN: r1358]]

[[Imported from SVN: r1357]]

[[Imported from SVN: r1356]]

[[Imported from SVN: r1355]]

[[Imported from SVN: r1354]]

[[Imported from SVN: r1353]]

[[Imported from SVN: r1352]]

[[Imported from SVN: r1351]]

[[Imported from SVN: r1350]]

[[Imported from SVN: r1349]]

[[Imported from SVN: r1348]]

[[Imported from SVN: r1347]]

[[Imported from SVN: r1346]]

[[Imported from SVN: r1345]]

Included that name in test so that MPICH is correctly detected

[[Imported from SVN: r1344]]

[[Imported from SVN: r1343]]

[[Imported from SVN: r1342]]

a set of (i,j) integer pairs.  Pairs can be added to the matrix
in any order.  A MatrixIndexSet can be used to initialize a
BCRSMatrix via the exportIdx method.

MatrixIndexSets are meant to help with the sometimes unwieldy
BCRSMatrix class.  If that class' handling gets easier, (or
if somebody explain to me how BCRSMatrix are really supposed
to be used), MatrixIndexSets may very well disappear again.

[[Imported from SVN: r1341]]

[[Imported from SVN: r1340]]

[[Imported from SVN: r1339]]