v0.3.42

Trixi v0.3.42

Diff since v0.3.41

Closed issues:

• Reorganize elixir files (#569)
• issue building docs locally (#668)

Merged pull requests:

• WIP Plotting along curve (#609) (@FelipeSantillan)
• Add free stream preservation tests for non-conforming P4estMesh and EC test (#666) (@efaulhaber)
• fix #668 (local build of docs) (#669) (@ranocha)
• remove Documenter from tests (follow-up of #620) (#670) (@ranocha)
• reorganize elixirs (#672) (@ranocha)
• rename mesh types (#676) (@ranocha)