Skip SSH clone tests if libgit2 not built with GIT_SSH defined
.editorconfig added to repository
Merge pull request #2545 from linquize/no-ssh

Skip SSH clone tests if libgit2 not built with GIT_SSH defined
Merge pull request #2550 from KindDragon/patch-2

.editorconfig added to repository
Introduce git_path_make_relative
Introduce option to use relative paths for repository work directory

Teach git_repository_init_ext to use relative paths for the gitlink
to the work directory. This is used when creating a sub repository
where the sub repository resides in the parent repository's
.git directory.