fix(Makefile): use https for watchman repository
fix(Makefile): use https for watchman repository
avigad/tutorial,leanprover/tutorial,cjmazey/fork_leanprover_tutorial,fpvandoorn/tutorial,Hodapp87/cs6460_project,avigad/tutorial,leanprover/tutorial,fpvandoorn/tutorial,Hodapp87/cs6460_project,fpvandoorn/tutorial,soonhokong/lean-tutorial,soonhokong/lean-tutorial,avigad/tutorial,leanprover/tutorial,cjmazey/fork_leanprover_tutorial,cjmazey/fork_leanprover_tutorial,soonhokong/lean-tutorial,Hodapp87/cs6460_project