library.  psurface handles parametrized triangulated surface in 3d.
In particular it can be used to have 3d UGGrids with parametrized
boundaries.

[[Imported from SVN: r266]]

[[Imported from SVN: r265]]

[[Imported from SVN: r264]]

[[Imported from SVN: r263]]

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[[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: r259]]

[[Imported from SVN: r258]]

fixes bug #13

[[Imported from SVN: r257]]

[[Imported from SVN: r256]]

[[Imported from SVN: r255]]

adjust screen output to reflect the fact that now UG and AmiraMesh do need to be found by the build system if you want to use them in your applications

[[Imported from SVN: r254]]

libdune contains stuff from the io subdirectory.  Therefore, lib has to appear after io in the SUBDIRS entry

[[Imported from SVN: r253]]

[[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: r247]]

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[[Imported from SVN: r241]]

[[Imported from SVN: r240]]

[[Imported from SVN: r239]]

[[Imported from SVN: r238]]

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[[Imported from SVN: r231]]

[[Imported from SVN: r230]]

[[Imported from SVN: r229]]

[[Imported from SVN: r228]]

if wml is not installed

[[Imported from SVN: r227]]