[[Imported from SVN: r9661]]

[[Imported from SVN: r9616]]

[[Imported from SVN: r9614]]

[[Imported from SVN: r8990]]

add a set of Dirichlet boundary conditions that seems to allow optimal convergence order for third-order finite elements

[[Imported from SVN: r8989]]

[[Imported from SVN: r8973]]

[[Imported from SVN: r8968]]

[[Imported from SVN: r8967]]

[[Imported from SVN: r8966]]

[[Imported from SVN: r8965]]

This more general method works even when using parametrized
boundaries.

[[Imported from SVN: r8877]]

[[Imported from SVN: r8876]]

[[Imported from SVN: r8259]]

[[Imported from SVN: r8258]]

choose the correct quadrature order for the matrices that create the norms to measure the discretization error

[[Imported from SVN: r8243]]

[[Imported from SVN: r8241]]

[[Imported from SVN: r8240]]

[[Imported from SVN: r8236]]

[[Imported from SVN: r8235]]

[[Imported from SVN: r8214]]

[[Imported from SVN: r7884]]

[[Imported from SVN: r7620]]

[[Imported from SVN: r7616]]

[[Imported from SVN: r7572]]

[[Imported from SVN: r7571]]

[[Imported from SVN: r7570]]

[[Imported from SVN: r7497]]

don't compute and measure on the last grid.  Since we are doing uniform refinement that last grid is equal to the reference grid.  Hence computing there will lead to an error of zero and is a waste of time

[[Imported from SVN: r7233]]

[[Imported from SVN: r7231]]

[[Imported from SVN: r7226]]

[[Imported from SVN: r7025]]

[[Imported from SVN: r6539]]

[[Imported from SVN: r6510]]

[[Imported from SVN: r6509]]

[[Imported from SVN: r6500]]

[[Imported from SVN: r6497]]

[[Imported from SVN: r6495]]

[[Imported from SVN: r5939]]

[[Imported from SVN: r5924]]

[[Imported from SVN: r5773]]