[[Imported from SVN: r5691]]

remove Neumann boundary data code.  Neumann problems are not always conservative --> I need to do some more thinking

[[Imported from SVN: r5687]]

[[Imported from SVN: r5639]]

[[Imported from SVN: r5636]]

[[Imported from SVN: r5105]]

[[Imported from SVN: r5098]]

[[Imported from SVN: r5088]]

[[Imported from SVN: r5087]]

[[Imported from SVN: r5086]]

[[Imported from SVN: r5084]]

[[Imported from SVN: r5062]]

[[Imported from SVN: r4514]]

[[Imported from SVN: r4473]]

[[Imported from SVN: r4471]]

[[Imported from SVN: r4153]]

[[Imported from SVN: r4082]]

[[Imported from SVN: r4081]]

[[Imported from SVN: r4039]]

[[Imported from SVN: r4022]]

[[Imported from SVN: r4020]]

now works on a per-element basis and has been moved to the local rod assembler.
That way, it has lost most of its 1d-ness.  In the future, it will be usable
for other problems as well.

[[Imported from SVN: r4019]]

The class 'Configuration' is now called 'RigidBodyMotion', and can be parametrized by the space dimension

[[Imported from SVN: r4003]]

[[Imported from SVN: r4001]]

[[Imported from SVN: r3998]]

[[Imported from SVN: r3500]]

[[Imported from SVN: r3301]]

[[Imported from SVN: r2927]]

[[Imported from SVN: r2381]]

[[Imported from SVN: r2303]]

[[Imported from SVN: r2203]]

make sure the fd hessian is symmetric; hardwire Dexp(0) for more speed; use symmetry when computing the differential of the geodesic interpolation

[[Imported from SVN: r2016]]

[[Imported from SVN: r1792]]

[[Imported from SVN: r1769]]

[[Imported from SVN: r1719]]

[[Imported from SVN: r1718]]

[[Imported from SVN: r1716]]

[[Imported from SVN: r1715]]

moved the quadrature orders for bending and shear stuff into the header, as a first step towards reduced integration

[[Imported from SVN: r1714]]

[[Imported from SVN: r1713]]

[[Imported from SVN: r1712]]