User can now tell which processes share indices and such get rid of
the O(P) complexity in RemoteIndexSet::rebuild.

[[Imported from SVN: r980]]

[[Imported from SVN: r979]]

[[Imported from SVN: r978]]

[[Imported from SVN: r977]]

[[Imported from SVN: r976]]

BCRSMatrix<FieldMatrix>.  This leads to considerable speedup.

[[Imported from SVN: r975]]

[[Imported from SVN: r974]]

[[Imported from SVN: r973]]

[[Imported from SVN: r972]]

2. Bugfix: do not copy rows in initRow while building dependencies
3. Use Allocators correctly

[[Imported from SVN: r971]]

make headercheck SILENT=1 CXXFLAGS="-Wall -pedantic":
* remove spurious ';'

[[Imported from SVN: r970]]

[[Imported from SVN: r969]]

[[Imported from SVN: r968]]

[[Imported from SVN: r967]]

[[Imported from SVN: r966]]

[[Imported from SVN: r965]]

[[Imported from SVN: r964]]

[[Imported from SVN: r963]]

[[Imported from SVN: r962]]

[[Imported from SVN: r961]]

[[Imported from SVN: r960]]

[[Imported from SVN: r959]]

[[Imported from SVN: r957]]

[[Imported from SVN: r956]]

Bugfixed syncertest.

[[Imported from SVN: r951]]

[[Imported from SVN: r950]]

[[Imported from SVN: r949]]

[[Imported from SVN: r948]]

Count each CG steo in BiCG with .5 and produce a more meaningful output.

[[Imported from SVN: r947]]

Unfortunately nobody comment my proposed patch submitted to the dune
list on August 4. I assum this means that nobody was against applying
it. Therefore this is the actual application of it.

Removed conversion operator. Assignment to FMatrix now works using a
free function istl_assign_to_fmatrix, which is overloaded for ScaledIdMatrix.

[[Imported from SVN: r946]]

[[Imported from SVN: r945]]

[[Imported from SVN: r944]]

[[Imported from SVN: r943]]

[[Imported from SVN: r942]]

[[Imported from SVN: r941]]

[[Imported from SVN: r940]]

[[Imported from SVN: r939]]

synced as otherwise an exception is thrown.

[[Imported from SVN: r938]]

kicked in the but if they forget to build the remote index information.

[[Imported from SVN: r937]]

[[Imported from SVN: r936]]