Surface mesh distance filter for FieldConvert

Add a surface mesh distance process module for FieldConvert, that can used to, for example, calculate y+ values with the assistance of the wall shear stress module.

Milestone changed to v4.2.0

Added 119 commits:

• 042edb99...9c0aedca - 117 commits from branch master
• 0e41c74b - Merge branch 'master' into feature/surf-distance
• 6dbb7fa9 - Fix bug with boundary to element/trace IDs

Added 1 commit:

• 2a909ecf - Add some documentation

Reassigned to @dmoxey

Title changed from [WIP] Surface mesh distance filter for FieldConvert to Surface mesh distance filter for FieldConvert

Reassigned to @ccantwel

@mt4313, @ym1008: Could I ask you both to review this branch please?

Looks good to me

Added 1 commit:

• 7de7fa53 - Fixes header.

@mt4313: Thanks for the review. I have made these fixes on Dave's behalf.

Added 1 commit:

• a04aee4e - Wrong file description.

mentioned in commit 845d2f3d

Status changed to merged