+Mesh 0.9.3 & related packages

[Chris00]

• Refine dependencies.
• Remove build-test which is deprecated with OPAM 2.

[camelus]

✅ All lint checks passed c60fdc4

• These packages passed lint tests: mesh-easymesh.0.9.3, mesh-graphics.0.9.3, mesh-triangle.0.9.3, mesh.0.9.3

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✅ Installability check (8293 → 8297)

• new installable packages (4): mesh.0.9.3 mesh-easymesh.0.9.3 mesh-graphics.0.9.3 mesh-triangle.0.9.3

[samoht]

OSX failed with:

#=== ERROR while installing graphics.1.0 ======================================#
# opam-version 1.2.2
# os           darwin
# command      ocamlc -custom graphics.cma -o test
# path         /Users/travis/.opam/system/build/graphics.1.0
# compiler     system (4.06.0)
# exit-code    2
# env-file     /Users/travis/.opam/system/build/graphics.1.0/graphics-11392-d2d111.env
# stdout-file  /Users/travis/.opam/system/build/graphics.1.0/graphics-11392-d2d111.out
# stderr-file  /Users/travis/.opam/system/build/graphics.1.0/graphics-11392-d2d111.err
### stderr ###
# File "_none_", line 1:
# Error: Cannot find file graphics.cma