Before it included headers from istl.
Moved precision.hh to dune/common.

[[Imported from SVN: r1906]]

[[Imported from SVN: r1905]]

[[Imported from SVN: r1904]]

[[Imported from SVN: r1903]]

coarse indexset and the coarse remote list using only local communication.

[[Imported from SVN: r1902]]

[[Imported from SVN: r1901]]

[[Imported from SVN: r1900]]

[[Imported from SVN: r1899]]

before for the mutable function.

[[Imported from SVN: r1898]]

[[Imported from SVN: r1897]]

increase. Therefore now we only communicate with the old neighbouring
processes that were already there before the sync.

[[Imported from SVN: r1896]]

before for the mutable function.

[[Imported from SVN: r1895]]

[[Imported from SVN: r1894]]

[[Imported from SVN: r1893]]

[[Imported from SVN: r1892]]

[[Imported from SVN: r1891]]

[[Imported from SVN: r1890]]

[[Imported from SVN: r1889]]

[[Imported from SVN: r1888]]

insertion and removal of elements.

[[Imported from SVN: r1887]]

[[Imported from SVN: r1886]]

[[Imported from SVN: r1885]]

BufferedCommunicators:

In the MessageInformation the start (offset from beginning of the
buffer) has to be in number of values of type Type as we operate on a
Type* array. In contrary the size has to be in bytes, as MPI works on
void*.

[[Imported from SVN: r1884]]

accessing arrays, and containers.

[[Imported from SVN: r1883]]

during the sync process. This prevents having to renumber all pairs afterwards.

[[Imported from SVN: r1882]]

Instead there is now a separate class method collapse()

[[Imported from SVN: r1881]]

[[Imported from SVN: r1880]]

[[Imported from SVN: r1879]]

[[Imported from SVN: r1878]]

[[Imported from SVN: r1877]]

[[Imported from SVN: r1876]]

Now works again for more than 2 processors.

[[Imported from SVN: r1875]]

[[Imported from SVN: r1874]]

[[Imported from SVN: r1873]]

[[Imported from SVN: r1872]]

[[Imported from SVN: r1871]]

index of the result is not probe but low.

[[Imported from SVN: r1870]]

[[Imported from SVN: r1869]]

[[Imported from SVN: r1868]]

entries from single linked list.

[[Imported from SVN: r1867]]