[[Imported from SVN: r277]]

[[Imported from SVN: r274]]

The EdgeDescriptor ist std::ptrdiff_t.

[[Imported from SVN: r273]]

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: r269]]

[[Imported from SVN: r268]]

[[Imported from SVN: r267]]

[[Imported from SVN: r264]]

[[Imported from SVN: r263]]

[[Imported from SVN: r262]]

[[Imported from SVN: r261]]

This should not have any effect if you have just used istl as a sequential
solver.

[[Imported from SVN: r260]]

[[Imported from SVN: r256]]

[[Imported from SVN: r252]]

Now the identification of the excluded vertices
can also be done with custom containers.

[[Imported from SVN: r251]]

[[Imported from SVN: r250]]

[[Imported from SVN: r249]]

[[Imported from SVN: r248]]

[[Imported from SVN: r244]]

[[Imported from SVN: r243]]

[[Imported from SVN: r242]]

[[Imported from SVN: r241]]

[[Imported from SVN: r240]]

[[Imported from SVN: r238]]

[[Imported from SVN: r237]]

[[Imported from SVN: r236]]

[[Imported from SVN: r234]]

[[Imported from SVN: r231]]

[[Imported from SVN: r229]]

communicate from STL containers without effort.
Changed test accordingly.

[[Imported from SVN: r220]]

communicate from STL containers without effort.

[[Imported from SVN: r219]]

different values are documented.

[[Imported from SVN: r218]]

[[Imported from SVN: r214]]

the istl distribution.

[[Imported from SVN: r213]]

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

[[Imported from SVN: r212]]

[[Imported from SVN: r211]]

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

[[Imported from SVN: r209]]

[[Imported from SVN: r208]]

[[Imported from SVN: r207]]

[[Imported from SVN: r206]]

before for the mutable function.

[[Imported from SVN: r205]]