Make calls to 'getMesh' use 'limitToTriangulation' rather than 'repack'

[p-j-smith]

Fixes #59
Note, this PR does NOT fix #55

Changes made:

• Emit a warning if the repack argument is passed to getMesh
• The new limitToTriangulation argument of getMesh is used instead of repack in the following files:
  • distanceBetweenPoints
  • getAllAttachedMesh
  • cutMesh
• distanceBetweenPoints now uses getMesh with limitToTriangulation set to true, instead of calling reducepatch. This is because reducepatch also reduces the resolution of the mesh, which is not necessary here.
• initialiseGeodesic is called in private/geodesic_new_mesh, rather than in distanceBetweenPoints or HoleCutter
• in getMesh, if type is struct, store the face data in tr.Triangulation rather than tr.Points
• in generateInterpData, call getMesh before repacking

[codecov]

Codecov Report

Merging #60 (c92ae9e) into develop (e978eaa) will increase coverage by 0.83%.
The diff coverage is 78.57%.

@@            Coverage Diff             @@
##           develop     #60      +/-   ##
==========================================
+ Coverage     4.67%   5.51%   +0.83%     
==========================================
  Files          135     135              
  Lines         7012    7017       +5     
==========================================
+ Hits           328     387      +59     
+ Misses        6684    6630      -54     

Impacted Files	Coverage Δ
HoleCutter.m	0.00% <ø> (ø)
cutMesh.m	0.00% <0.00%> (ø)
generateInterpData.m	0.00% <0.00%> (ø)
getAllAttachedMesh.m	0.00% <0.00%> (ø)
private/geodesic_delete.m	42.10% <50.00%> (+3.64%)	⬆️
distanceBetweenPoints.m	100.00% <100.00%> (ø)
getMesh.m	100.00% <100.00%> (+70.21%)	⬆️
private/geodesic_new_mesh.m	90.47% <100.00%> (+22.61%)	⬆️
private/repack.m	91.66% <100.00%> (+91.66%)	⬆️
... and 1 more

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