Add default color option for ShowFields. For #338

Now James can use the value.
Clang fix; closes #322.
Note editor layout improvement
Closes #313.
Add mouse control choice dropdown to ViewScene. Starts #331
Closes #329.
Extract method.
Include TetVolMesh.cc
Include paths
Namespace
Namespace
Namespace
Const/getFacade/lock
Namespace
Include PrismVolMesh as well
Thread, Point interfaces changes
More of below
Namespace; cd_templates_fields_3 compiles
Risky StackVector-related change
Same risky StackVector change