Dennis Gläser authored Feb 13, 2020 and Timo Koch committed Feb 13, 2020

Fix/cc ghost assembly

Closes #817

See merge request !1862

(cherry picked from commit 35ca769e)

2c5e2f36 [bugfix][cc] Do not assemble derivatives for ghost neighbors
feb99e61 [cleanup] Ghost request is already checked inside evalLocalResidual
c4642184 [doc] Add explanation about ghost elements
1872459d [bugfix] Do not let the user assemble ghosts for exact Jacobian