Now that we have vtk reading capabilities, the error computation routines
that were the raison d'etre of harmonicmaps-eoc.cc can (and have been
partially) be integrated into harmonicmaps.cc.

[[Imported from SVN: r10084]]

[[Imported from SVN: r9998]]

[[Imported from SVN: r9988]]

[[Imported from SVN: r9987]]

[[Imported from SVN: r9982]]

[[Imported from SVN: r9981]]

[[Imported from SVN: r9943]]

'Mixed' means that the spaces for deformations and microrotations can
be chosen separately.

At this point there hasn't been a lot of testing yet.  In particular,
parallelizing the assembly is currently not supported.

[[Imported from SVN: r9852]]

A few recent fixes haven't made it to Debian yet.

[[Imported from SVN: r9851]]

[[Imported from SVN: r9792]]

[[Imported from SVN: r9791]]

[[Imported from SVN: r9790]]

[[Imported from SVN: r9535]]

[[Imported from SVN: r9534]]

[[Imported from SVN: r9466]]

[[Imported from SVN: r9452]]

Because it doesn't work together with ADOL-C, claims the programmer
of ADOL-C.

[[Imported from SVN: r9437]]

[[Imported from SVN: r9423]]

[[Imported from SVN: r9284]]

using the ideas of Patrizio Neff.

In particular, this code should handle real 3d continua, as well
as Neff-style Cosserat shells.

This initial commit only adds a lot of infrastructure.

[[Imported from SVN: r7339]]

[[Imported from SVN: r6703]]

[[Imported from SVN: r5936]]

new application to test the convergence order of geodesic finite elements on a harmonic maps problem

[[Imported from SVN: r5764]]

[[Imported from SVN: r5758]]

[[Imported from SVN: r5371]]

[[Imported from SVN: r5323]]

[[Imported from SVN: r5121]]

[[Imported from SVN: r5118]]

[[Imported from SVN: r4969]]

[[Imported from SVN: r4128]]

[[Imported from SVN: r4025]]

[[Imported from SVN: r2928]]

[[Imported from SVN: r2616]]

[[Imported from SVN: r2526]]

[[Imported from SVN: r2395]]

[[Imported from SVN: r2386]]

[[Imported from SVN: r2384]]

[[Imported from SVN: r2383]]

[[Imported from SVN: r2382]]

[[Imported from SVN: r2027]]