use anchors for job definitions

use cmake in PATH for Windows CI jobs

See merge request !28

Use CMAKE_CURRENT_SOURCE_DIR instead of CMAKE_SOURCE_DIR

See merge request !27

rename swap_*s methods to swap_*_indices and make them public

See merge request !26

Fix mesh copying by implementing copy constructors and clone methods

Closes #5

See merge request !25

Fixes #5.

Mark vertex_texcoords_available() as const

See merge request !23

Property map hfh int support

See merge request !22

Fixed CI on Windows

Closes #4

See merge request !21

enable ```__cplusplus>=201103``` guarded code on recent MSVC.

See merge request !19

MSVC does not define __cplusplus as >=201103 yet.
An older version of MSVC is probably sufficient, but I can't test that.

Fix cppchecks

See merge request !18

disable file_converter if boost is not found.

See merge request !17

Fix doxygen

See merge request !16